题目内容
-Must we return the books to the library right now, Bob?
-No, you ________.You may keep it until next Sunday.
[ ]
A.mustn't
B.can't
C.may
D.needn't
答案:D
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题目内容
-Must we return the books to the library right now, Bob?
-No, you ________.You may keep it until next Sunday.
A.mustn't
B.can't
C.may
D.needn't