问题

Sorry, Professor Smith. I didn’t finish the assignment yesterday.—Oh, you___________ have done it as yesterday was the deadline.
A:must
B:mustn’t
C:should
D:shouldn’t
B:mustn’t
C:should
D:shouldn’t
正确答案是:
同类题型
(2007年浙江省第二次五校联考,8)How long do you think ___________ the Microsoft brings out a new product?
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