How much shall I pay for the phone call?- You . This is free of charge. A. shouldn’

发布时间:2020-08-17 02:11:11

--- How much shall I pay for the phone call?
--- You     . This is free of charge.
A. shouldn’t
B. can’t
C. don’t have to
D. mustn’t

网友回答

A. shouldn’t
B. can’t
(答案→)C. don’t have to
D. mustn’t
解析:考查情态动词的否定:A. shouldn’t 不应该     B. can’t 不能         C. don’t have to不必D. mustn’t禁止,句意:--这个电话我该付多少钱?--你不必付钱,这是免费的。选C。
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