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题目
题型:不详难度:来源:
Not until he left home ______ to know _______ important the family was for him.
A.did he begin; whatB.had he begin; how
C.did he begin; howD.had he begin; what

答案
C
解析
本题考查倒装和从句。句意:直到离开家,他才开始意识到这个家对他来说是何等的重要。:not until引导的从句置于句首时,主句需用部分倒装。主从句的动作基本同时发生,故用一般过去时。第二个空所选之词修饰important,故用how。
核心考点
试题【Not until he left home ______ to know _______ important the family was for him.A】;主要考察你对句法等知识点的理解。[详细]
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