题目内容

【题目】Sorry. I know you here, otherwise I would have greeted you.

A. don't ... are B. don't ... were

C. didn't ... are D. didn't ... were

【答案】D

【解析】

考查时态。句意:对不起。我不知道你在这里,否则我就会跟你打招呼。根据otherwise I would have greeted you.可知此处是虚拟语气,与过去的事实相反,所以句子用一般过去时态,故答案为D。

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