题目内容
Mr Green didn’t know ______ last night.
- A.when does his son come back
- B.when his son comes back
- C.when his son come home
- D.when his son came home
D
解析:
动词know后跟的是一个宾语从句,要用陈述句的顺序,故A不正确,主句是过去时,从句要用过去时一种,只有D用的是过去时,故选D。
解析:
动词know后跟的是一个宾语从句,要用陈述句的顺序,故A不正确,主句是过去时,从句要用过去时一种,只有D用的是过去时,故选D。
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