[ 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:
Grammar › ViewThat _____ be your favourite food. It looks absolutely disgusting.
A. can
B. may not
C. can’t
Adjective / Noun + to Infinitive › View
It would be unreasonable ____ him ____ you money if you didn’t pay it back.
A. to expect/lend
B. to expect/to lend
C. expect/to lend
D. expecting/lend
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
