问题补充:
—Must I clean the blackboard now? —No, you clean it later.
A. must
B. needn’t
C. can
D. shouldn’t
答案:
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
时间:2018-09-20 20:14:07
—Must I clean the blackboard now? —No, you clean it later.
A. must
B. needn’t
C. can
D. shouldn’t
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