[ Modals with Perfect Infinitive ]
Nobody knows exactly why he died. But we think it ___ have been an accident.
A. might
B. should
C. can
D. must
Select your answer:
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Other quiz:
Present Tenses › ViewHe (to do) his lessons since lunch.
A. does
B. is doing
C. has done
D. has been doing
Tenses › View
… wrong?
A. Do I
B. Does I
C. Am I
D. Will I
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How to use : Read the question carefully, then select one of the answers button.