—Must I clean the blackboard now? —No, you clean it later.A. mustB. needn’tC. canD. shoul

发布时间:2020-08-21 02:44:03

—Must I clean the blackboard now?    —No, you      clean it later.
A. must
B. needn’t
C. can
D. shouldn’t

网友回答

A. must
(答案→)B. needn’t
C. can
D. shouldn’t
解析:对于must 引导的一般疑问句,否定回答,用needn’t。故选B
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