-Must we clean the classroom now?-No, you _____.[ ]A. mustB. needn'tC. aren'tD. must not-八

题目简介

-Must we clean the classroom now?-No, you _____.[ ]A. mustB. needn'tC. aren'tD. must not-八

题目详情

-Must we clean the classroom now?
-No, you _____.
[     ]
A. must
B. needn't
C. aren't
D. must not
题型:单选题难度:偏易来源:同步题

答案

B

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