[ Modal Verbs ]
I’m not sure, but we ___ left the keys at the restaurant.
A. had to have
B. mustn’t have
C. might have
D. can’t have

Random Topics:
Conjunctions and Sequence ConnectorsVerb BEParticiple - ing/ edPresent Perfect TenseArticles and NounsZero & First ContidionalLinking WordsPast Perfect Tense and Past TenseAdverbs, Prefixes, and SuffixesPresent Continuous TenseOther quiz:
Tenses › ViewConvert the following to simple past: ‘They are playing chess.’
A. They played chess.
B. They were playing chess.
C. They play chess.
D. They will play chess.
Prepositions › View
The family donated money ___ the local animal shelter.
A. to
B. for
C. with
Grammar › ViewThe exam was too difficult. It wasn’t ___________________.
A. easy enough
B. too easy
Grammar › View
I strongly ______ that honesty is the best policy in any situation.
A. believe
B. is believing
C. believes
D. are believing
