[ Grammar & Vocabulary ]
Marco ……………………… this exercise.
A. aren´t understand
B. doesn´t understand
C. isn’t understanding
Select your answer:

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Adverbial Clause, Noun ClauseArticles & Compound NounsPast Tense vs Present Perfect TenseConditional Sentence Type 2Grammar and PrepositionPresent Simple & Present Progressive TenseDEGREE COMPARISONRegular and Irregular VerbsIndefinite ArticleMix-TensesOther quiz:
Modals Posibility and Probability › ViewDavid has a chance of going to university, but he _______________ the exam next week.
A. may not pass
B. might be
C. could open
D. might not know
Tenses of Verbs › View
Shaira usually ___________ at school before seven.
A. arrived
B. arrives
C. will arrive
