I got into trouble again. Only then that I should have followed my parents’ advice.A. I r

发布时间：2020-08-17 06:18:56

I got into trouble again. Only then      that I should have followed my parents’ advice.
A. I realized
B. did I realize
C. realized I
D. had I realized

网友回答

A. I realized
(答案→)B. did I realize
C. realized I
D. had I realized
解析：考查特殊句式中的倒装。Only加介词短语、副词或时间状语，谓语句首时，用部分倒装，A没倒装；C是全部倒装；排除A、C；only then只有在那时，是过去的时间，没有过去的动作，所以不用过去完成时，排除D。故选B。
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