题目内容

– Must I finish my work today?
-- No, you _______.
A．mustn’tB．can’tC．needn’tD．must
C

试题分析：must的含义是必须一定，其否定形式mustn’t表示禁止的含义。故must的否定回答一般借助于needn’和don’t have to来构成，句意:我今天必须完成我的工作吗?根据前文No,可知下文为否定回答,故选C.
点评：must的否定形式是常考内容之一，结构比较固定，熟记即可。
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