[ Perfect Modals ]
He didn’t answer the phone. He ____ been sleeping at that time.
A. might have
B. should have
C. must have
D. can’t have

Random Topics:
Future Tenses and ModalsAdverb or AdjectiveFirst ConditionalsTenses of VerbsEnglish MorphosyntaxVerb Tenses and ModalsPassive Voice & TensesConditional and SubjunctiveObject PronounModal Auxiliary VerbsOther quiz:
Grammar › ViewOn Saturdays I work from nine to five.
A. Preposition
B. verb
C. Adverb
D. Conjunction
Grammar › View
A:What did Kelly do at your place ___? B:She ___ me make this strawberry cake for you.
A. now; helped
B. before; helps
C. last Saturday; helps
D. yesterday evening; helped
Grammar: was/were › ViewJoanne and Winnie ______ swimming in the pool.
A. was
B. were
Vocabulary › View
Driving at high speeds is ———- in our neighborhood.
A. edible
B. adventurous
C. forbidden
