题目内容
-Must I clean the room now?
-No, you ________.You can do it tomorrow.
[ ]
A.
mustn't
B.
must
C.
needn't
D.
need
答案:C

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题目内容
-Must I clean the room now?
-No, you ________.You can do it tomorrow.
mustn't
must
needn't
need