[ Modals ]
He __________ known it was your birthday. Otherwise, I’m sure he would have wished you a happy day.
A. might have
B. can’t have
C. should have
D. must have

Random Topics:
Noun PhraseSubordination ConjunctionsSo Such Enough TooComparison and ModalsAdverb ClausesGerund vs InfinitiveAdverb of MannersPast ParticipleSuperlative AdjectivesPast Perfect or Past Perfect ContinuousOther quiz:
Grammar › ViewI’d _______ go to bed than watch the late night film, I’m quite tired this evening.
A. rather
B. rather not
C. prefer
D. like
Tenses › View
To make a promise to someone you would say:
A. I’ll help you.
B. I’m going to help you.
C. I’m helping you.
D. I help you.
Conjunctions › ViewEither Sarah or Daniel will give the presentation tomorrow.
A. neither…nor
B. either…or
C. not only…but also
D. both…and
Grammar › View
You _________ have bought that car. What a waste of money!
A. shouldn’t
B. mustn’t
C. couldn’t
