Only when we hurried to the airport __________the fight was canceled.A.we found

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问题 Only when we hurried to the airport __________the fight was canceled.

选项 A.we found
B.did we find
C.have we found
D.we have found

答案B

解析考查倒装句。0nly和所修饰的副词、介词短语或状语从句位于句首时,要用倒装语序,因此排除A和D。根据句意“当我们匆忙赶到机场时才发现航班已经取消了”.可知句子是在陈述过去的事实,故选B。
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