[ Modal Verbs ]
I couldn’t find my keys this morning. I think I ………. left them at home.
A. may have
B. must have
C. could have
D. would have

Random Topics:
Degree of ComparisonFuture Perfect vs Future ContinuousIf Conditional Zero and OneMixed ConditionalsAdverbs, Infinitives, Definite ArticleAlthough / DespiteAdverb of ConcessionComplex Sentences with Adverb ClausesModal Verbs of Certainty and PossibilityNumbersOther quiz:
Grammar › ViewSusan : That’s sound great. So, do you want to have dinner at 6? Dave : Uh, I’d … but I have to finish my assignment.
A. go to
B. like to
C. has to
D. to be
Grammar › View
They had left early, so I my ride.
A. will miss
B. missed
C. might miss
Verb Tenses › ViewI ________ down while I ________ down the stairs.
A. fall, go
B. fell, gone
C. fell, was going
D. had fallen, had gone
Grammar › View
I____________ juice at the store last night.
A. should have buy
B. should buy
C. should have bought
D. should buy
