must i finish the report today
-MustIfinishwritingthereporttoday？-No．You_______ifyouhavesomethingelsetodo．（）A.can'tB...
-Must I finish writing the report today？
-No．You _______ if you have something else to do．（ ）
A. can't
B. couldn't
C. mustn't
D. don't have to 展开
-No．You _______ if you have something else to do．（ ）
A. can't
B. couldn't
C. mustn't
D. don't have to 展开
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答案：D．
根据No，可知下面为否定回答，must的含义是必须一定，其否定形式mustn't表示禁止的含义．在这里不是禁止的意思．must的否定回答一般可借助于needn'和don't have to来构成，表不必．故选D．
根据No，可知下面为否定回答，must的含义是必须一定，其否定形式mustn't表示禁止的含义．在这里不是禁止的意思．must的否定回答一般可借助于needn'和don't have to来构成，表不必．故选D．
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