题目内容
They __________ each other for more than 5 years.
A.know | B.knew |
C.will know | D.have known |
D
试题分析:句意:他们认识5年多了。For后跟一段时间,所以句子是现在完成时态。故选D。

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题目内容
A.know | B.knew |
C.will know | D.have known |