Práctica Guiada por Asignatura
Resuelve ítems a tu propio ritmo con retroalimentación explicada paso a paso.
1. Read the following short passage: 'Lake Coatepeque is a large crater lake located in Santa Ana, El Salvador. Every year, thousands of local and international tourists visit the area because of its stunning turquoise waters and warm climate.' According to the text, why is Lake Coatepeque popular among visitors?
The text directly states that tourists visit the lake 'because of its stunning turquoise waters and warm climate'. 'Stunning' is synonymous with impressive, and 'warm climate' corresponds to pleasant warm weather.
B contradicts the nature of a volcanic crater lake. C describes cold/snow weather non-existent in El Salvador. D falsely claims the lake is an erupting volcano.
2. Choose the option that correctly completes the sentence using the appropriate verb tense: 'Carlos _______ in San Salvador for five years before he moved to San Miguel in 2024.'
The past perfect tense ('had lived') is used to describe an action that happened before another specific past action ('before he moved in 2024').
B is present continuous. C is simple future. D is a participle lacking an auxiliary verb.
3. A student in your high school class wants to improve their English skills before the national test. Which modal verb expresses the best recommendation?
'Should' is the standard modal verb in English used to offer constructive advice and recommendations, followed by the base form of the verb without 'to'.
B, C and D contain severe grammatical errors (using 'to' immediately after a modal auxiliary) and provide counterproductive advice.
4. Read the following statement and choose the correct conditional form: 'If students ________ (practice) with official simulated tests before graduation, they ________ (achieve) higher scores in the AVANZO evaluation.'
The First Conditional structure uses 'If + simple present' in the condition clause and 'will + base verb' in the main result clause: 'If students practice ..., they will achieve ...'.
B mixes past simple with present simple. C places 'will' in the if-clause. D mixes past perfect with present simple.
5. In 2005, the Legislative Assembly declared pupusas as the National Dish of El Salvador due to their cultural significance and economic impact. Which of the following words is the best SYNONYM for 'significance' in this context?
In the context of national heritage, 'significance' refers to value, weight and cultural importance.
B (confusion), C (weakness) and D (ignorance) are negative terms completely unrelated to the honoring of a cultural tradition.
6. Read the following short profile: 'Sofia is a 19-year-old software developer from Santa Tecla. Every morning, she writes clean code for a remote tech startup in Canada. In her free time, she teaches coding fundamentals to public school teenagers.' What does Sofia do during her free time?
The passage clearly specifies: 'In her free time, she teaches coding fundamentals to public school teenagers'. 'Coding fundamentals' is synonymous with programming basics.
B, C and D mention occupations and activities completely absent in Sofia's text.
7. Choose the option that correctly completes the sentence with the appropriate present tense: 'Listen! The teacher ____________ (explain) an important instruction for the graduation test right now.'
The time marker 'Listen!' and 'right now' indicate an action in progress at the exact moment of speaking, requiring the Present Continuous structure (am/is/are + verb-ing).
B is simple present for habitual actions. C is past simple. D is grammatically malformed.
8. Select the correct past form of the verb to complete the historical statement: 'In 1992, the representatives ____________ (sign) the Peace Accords in Chapultepec, Mexico.'
The specific historical year 'In 1992' demands the Simple Past tense. The regular verb 'sign' forms its past by adding '-ed': 'signed'.
B is a present participle without auxiliary. C is simple present. D contains an incorrect auxiliary form.
9. Complete the sentence with the correct combination of Past Continuous and Simple Past: 'Mateo ____________ (study) his mathematics flashcards when suddenly the phone ____________ (ring).'
An ongoing past background action takes the Past Continuous ('was studying'), while the short interrupting event takes the Simple Past ('rang').
B inverts the logical aspect of interruption. C uses present tense. D uses plural auxiliary 'were' with singular subject 'Mateo' and past participle 'rung'.
10. Which sentence correctly uses the Present Perfect with 'already' to show that an action has been completed sooner than expected?
The Present Perfect is formed with 'have/has' + past participle ('uploaded'). 'Already' typically goes between the auxiliary 'has' and the main verb.
B misplaces the adverb and uses base form 'upload'. C mixes continuous with past time adverb 'yesterday'. D mixes modal 'will' with past participle.
11. Choose the correct preposition of time to complete the statement: 'Our teacher scheduled the preparatory review session _______ Monday morning _______ 8:30 AM.'
We use 'on' before specific days of the week ('on Monday morning') and 'at' before precise clock times ('at 8:30 AM').
B, C and D use prepositions that violate the standard English rules for days and clock times.
12. Complete the Second Conditional sentence describing a hypothetical dream: 'If I ____________ (win) a university scholarship, I ____________ (study) artificial intelligence abroad.'
The Second Conditional structure is: If + Simple Past (won), ... would + base verb (would study).
B is First Conditional for real possibilities. C and D are grammatically distorted mixes.
13. Select the correct Passive Voice version of the sentence: 'Farmers harvest high-altitude specialty coffee in the mountains of Apaneca.'
In the Simple Present passive, the direct object becomes the subject, followed by 'is/are' + past participle: 'is harvested'.
B uses past tense with future adverb. C lacks participle agreement. D turns farmers into the object harvested, creating semantic nonsense.
14. Complete the comparison with the correct form of the adjective: 'Mount Santa Ana (Ilamatepec) is significantly ____________ (high) than San Salvador volcano.'
One-syllable adjectives like 'high' form their comparative by adding '-er' + 'than': 'higher than'.
B is incorrect because 'more' is used only with adjectives of two or more syllables. C is the superlative form. D requires 'as high as'.
15. What is the meaning of the phrasal verb 'GIVE UP' in the following motivational quote? 'Never give up on your dreams, even when high school exams seem challenging.'
'Give up' is an idiomatic English phrasal verb meaning to quit, abandon an effort, or surrender.
B, C and D propose definitions completely unrelated to 'give up'.
16. Choose the relative pronoun that best connects the two clauses: 'A civil engineer is a professional ________ designs safe bridges, highways, and public buildings.'
The relative pronoun 'who' is used when the antecedent refers to people ('a professional').
B ('which') is used for things or animals. C ('where') is used for physical places. D ('whose') expresses possession.
17. Which quantifier correctly completes the sentence with an uncountable noun? 'Students need to drink ____________ water during hot examination days in San Miguel.'
'Water' is an uncountable noun. 'A lot of' can be used with both countable and uncountable nouns. 'Many', 'few', and 'a few' can only modify plural countable nouns.
B, C and D only pair with countable nouns (e.g., bottles of water, cups).
18. Read the following notice at El Imposible National Park: 'All visitors must stay on the marked trails. Littering and feeding wild animals are strictly prohibited.' What are visitors forbidden to do according to the rules?
'Littering' means throwing trash/garbage in public areas, and 'feeding wild animals' directly refers to giving food to wildlife.
B, C and D mention prohibitions that do not appear in the text.
19. Select the modal verb that expresses STRICT OBLIGATION or a mandatory requirement: 'Candidates ____________ show their valid student ID card before entering the testing room.'
'Must' is the modal verb that conveys mandatory institutional obligations and non-negotiable rules.
B ('might') expresses remote possibility. C ('could') expresses past ability or polite suggestion. D ('would') expresses hypothetical intent.
20. Report the direct speech into indirect/reported speech correctly: Direct speech: Lucas said, 'I want to study Mechatronics Engineering at ITCA.'
In reported speech introduced by past verb 'said', the Simple Present ('want') backshifts to Simple Past ('wanted'), and pronoun 'I' changes to 'he'.
B does not change the pronoun nor backshift the tense. C introduces a confusing future modal. D alters the meaning to negative.
21. Choose the expression that best introduces a polite personal opinion in an English essay: '________________, renewable solar energy is the most viable solution for rural communities in Central America.'
'From my perspective' (along with 'In my view' or 'In my opinion') is a standard formal expression to state a reasoned point of view.
B, C and D are nonsensical or ungrammatical phrases.
22. In a formal job interview, which term refers to a written document summarizing a candidate's education, work history, and key professional skills?
A 'résumé' (or CV) is the official professional overview submitted when applying for a job vacancy.
B ('invoice') is a bill for commercial goods. C ('receipt') is proof of payment. D ('prescription') is a medical recipe.
23. Which transition word indicates CAUSE AND EFFECT (consequence) between two formal sentences? 'The student reviewed all official flashcards daily. ____________, she achieved the highest score in the section.'
'Therefore' (synonymous with 'consequently' or 'as a result') introduces the logical outcome of a preceding action.
B ('however'), C ('although'), and D ('whereas') express concession and contrast, not consequence.
24. Complete the sentence with the appropriate suffix to form the noun for the quality of being resilient: 'Salvadoran youth are internationally recognized for their determination and resilien_______.'
The adjective 'resilient' forms its abstract noun with the suffix '-ce': 'resilience'.
B, C and D are non-existent words in the English dictionary.
25. Read the dialogue: Teacher: 'Have you finished your essay, Carlos?' Carlos: 'Not yet, teacher. I am almost done with the conclusion.' What does Carlos mean by 'Not yet'?
'Not yet' means an action is currently incomplete, but is expected to occur in the immediate future.
B contradicts 'not yet' (implying completion in the past). C implies abandonment. D is an unrelated distraction.
26. Read the following sentence: 'If Salvadoran high school graduates __________ proficient in bilingual skills earlier, they __________ more remote employment opportunities in international tech companies last year.' Choose the grammatically correct option to complete this Third Conditional statement.
The Third Conditional expresses unreal conditions in the past and their hypothetical past results. The structure requires: If + Past Perfect (had become), would have + Past Participle (would have accessed).
B mixes Second and First conditionals. C incorrectly places 'would' inside the 'if' clause. D uses Present Perfect which does not match past counterfactuals.
27. Read the short paragraph: 'Despite facing unexpected electrical shortages, the engineering students managed to complete their solar irrigation prototype on schedule.' What is the exact meaning of the phrasal connector 'managed to' in this context?
'To manage to do something' indicates achieving an objective despite obstacles, difficulties, or adverse conditions.
B, C, and D express negative or evasive actions contrary to the triumphant meaning of 'managed to'.
28. Choose the sentence that correctly transforms the direct quote into Reported Speech: Direct quote: 'We are designing an educational web platform for our school,' said the students.
In Reported Speech with past reporting verb 'said', Present Continuous ('are designing') shifts back to Past Continuous ('were designing'), and pronouns shift from 'we/our' to 'they/their'.
B fails to backshift the tense ('are designing'). C leaves the pronoun 'we' unchanged. D changes the verb tense to future 'will design'.
29. Identify the word that best completes the academic sentence: 'The statistical analysis revealed a substantial __________ between high student engagement on digital simulators and superior scores on standardized exams.'
'Correlation' denotes a mutual relationship or connection between two statistical variables (in this case, practice frequency and exam performance).
B indicates opposition. C means uncertainty or doubt. D means a temporary pause.
30. Read the sentence: 'Neither the school principal nor the teachers __________ aware of the sudden schedule modification until this morning.' According to subject-verb agreement rules, which auxiliary verb correctly fills the blank?
With correlative conjunctions 'neither... nor', the verb agrees in number with the closer subject. Since 'teachers' is plural, the plural past verb 'were' is grammatically required.
B incorrectly agrees with the singular 'principal' rather than the closer plural subject 'teachers'. C and D are present tense verbs, but the context 'until this morning' specifies past time.
