she----to open the door but failed a.try b.tries c.tried d.i

问题描述:

she----to open the door but failed a.try b.tries c.tried d.is trying
1个回答 分类:英语 2014-10-28

问题解答:

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答案选C tried to do sth"试着做某事”句子中,but引导转账关系,因为其后用failed表示发生在过去,前后时态要一致
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