题目内容
John hasn’t come yet, I don’t know _____.
A. what has happened to him B. when he came
C. what was wrong with him D. where is he
A
【解析】
试题分析:句意:约翰还没有来,我不知道他出什么事了。主句是一般现在时,根据前句句意,宾语从句不应该用一般过去时,排除B和C。D的语序不对,应该用陈述句语序,故选A。
考点:考查宾语从句。
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