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By the time Jack returned home from England,his son from college.(2011·辽宁)A. graduatedB.

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解决时间 2021-12-31 17:58
  • 提问者网友:龅牙恐龙妹
  • 2021-12-31 05:58
By the time Jack returned home from England,his son from college.(2011·辽宁)
A. graduated
B. has graduated
C. had been graduating
D. had graduated
最佳答案
  • 五星知识达人网友:轮獄道
  • 2021-12-31 06:37
A. graduatedB. has graduatedC. had been graduating(答案→)D. had graduated解析:考查时态。句意:杰克从英格兰回到家时,他的儿子已经大学毕业了。by the time...“到……的时候”引导时间状语从句时,如果从句的谓语动词用一般过去时,主句的谓语动词要用过去完成时。
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  • 1楼网友:神鬼未生
  • 2021-12-31 07:09
我明天再问问老师,叫他解释下这个问题
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