[ Perfect Modals ]
You did well on the exams. You _____________ (study) a lot.
A. shouldn’t have studied
B. needn’t have studied
C. can’t have studied
D. must have studied

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Grammar › ViewMy mom ______ angry if I _____ in my homework on time.
A. gets, doesn’t hand
B. get, doesn’t hand
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The product is best used before the __________.
A. best-before date
B. use-by date