[ Modal Verbs ]
They ___ know the answer, but I’m not completely sure.
A. must
B. could
C. might
D. have
Select your answer:
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Comparison and ModalsModals of Necessity and SuggestionCoordinating Conjunctions and Comparative AdjectivesModal Verb Gerund or To InfinitivePast and Future TensesPresent Simple and Past ContinuousSimple and Continuous Present TenseFuture - will / going to / present continuousSimple PastAdverbial Clauses of Manner and ResultOther quiz:
Grammar › View_________ you win first place, you will receive a prize.
A. whenever
B. if
C. unless
Future Tenses › View
These boxes are so heavy. ________ you carry them for me, please?
A. Do
B. Did
C. Will
D. Are