His shoes are muddy. He be working in an office all day.A. mustn ’tB. can’tC. needn’tD. ma

发布时间:2020-08-16 18:33:34

His shoes are muddy. He      be working in an office all day.
A. mustn ’t
B. can’t
C. needn’t
D. maybe

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A. mustn ’t
(答案→)B. can’t
C. needn’t
D. maybe
解析:本题考查情态动词。根据句意:他的鞋泥泞,他不可能成天在办公室工作。故用情态动词can’t。
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