[ Tenses ]
They haven’t studied the subject.
A. Simple Present Tense
B. Present Continuous Tense
C. Present Perfect Tense
D. Simple Future
Select your answer:

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Countable and UncountableClauses and ConjunctionsRelative Clauses and Past PerfectHabitual and Continuous TensesGrammar and Syntax1st ConditionalConjunctions and Verb TensesPrepositions of Time, Place, and MovementOrdering AdjectivesNouns - Word Form-IONOther quiz:
Conditional Sentences › ViewIf you mix yellow and red, you____orange
A. had
B. have
C. get
D. gets
Modals › View
Choose the sentence that means the same.
We mustn’t be late for the meeting.
A. We aren’t able to be late for the meeting.
B. We can be late for the meeting.
C. We have to come on time for the meeting
D. We ought to come on time for the meeting.
