Not until he left his home ______ to know how important the

Not until he left his home ______ to know how important the family was for him.
A.did he begin
B.had he began
C.he began
D.he had begun 若睿枫 1年前他留下的回答 已收到1个回答

lanqianwei16 网友

该名网友总共回答了11个问题，此问答他的回答如下：采纳率：100%

答案A
考查倒装句.Not until…位于句首,主谓应部分倒装.又因为begin不是发生于left之前,故不需用过去完成时.

1年前他留下的回答

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