[ Past Modals ]
I’m not completely convinced of his innocence. I think he _______ been involved.
A. could have
B. should have
C. might have
D. would have

Random Topics:
Conjunctions and TransitionsTo Infinitive/Bare Infinitive/GerundsIntermediate PrepositionsTransitional WordsTenses and ComparisonsGrammar: Simple Past and Past ContinuousPRESENT SIMPLE vs PRESENT CONTINUOUS + QUANT-ed/-ing AdjectivesInfinitive and GerundSentences and Non SentencesOther quiz:
Tenses › ViewI helped my neighbor yesterday.
A. Present Simple
B. Past Simple
C. Future Simple
Conjunctions, Interjections and Determiners › View
It is ____ honor to be your guest tonight.
A. a
B. an
C. the
How much or How many? › View____________ friends does Linda have?
A. How much
B. How many
Grammar › View
Jason cut a hole in the fence and went ___________ it.
A. on
B. in
C. under
D. through
