--Why are your eyes so red? You _______ have slept well last night.
A.can't | B.mustn't | C.needn't | D.won't |
---Yeah, I stayed up late writing a report.
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--Why are your eyes so red? You _______ have slept well last night.
A.can't | B.mustn't | C.needn't | D.won't |
---Yeah, I stayed up late writing a report.
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