Topics: 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
Select your answer:

Random Topics:
Adjective SuffixesTenses and ArticlesGerund, Infinitive, Bare Verb-ed and -ing AdjectivesConditional and SubjunctiveQuantifiersSimple Present and Present ContinuousPreposition and Word FormLet & Be allowed toPresent Simple and Modal VerbsOther quiz:
Vocabulary › View“Why are your hands ______?” “I got some cookie dough on them.”
A. bland
B. sticky
C. salty
Grammar › View
The soup ______ too hot to eat right now.
A. tastes
B. make
C. cook
D. smell
