As it turned out to be a small house party we ______ so formally.A.need not have dressed
正确答案
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As it turned out to be a small house party, we ______ so formally.
A.need not have dressed up
B.must not have dressed up
C.did not need to dress up
D.must not dress up
请帮忙给出正确答案和分析,谢谢!
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正确答案:A
解析:在这个句子中,句意表达的意思是:不必要做某事,但事实上却做了某事。在题目提供的四个选项中,needn’t have done表示“过去不必做某事,但事实上却做了”。所以,答案是A。
