★ Perfect Modals
He _______________ (finish) a 500-page book in a single day!
A. must have finished
B. could have finished
C. can’t have finished
D. should have finished
Preview next quiz:
You _________ (clean) your room. The housekeeper would’ve tidied it up for you.
A. needn’t have cleaned
B. could have cleaned
C. must have cleaned
D. couldn’t have cleaned
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