Only then _______ what he really meant when he said “ You left something here.

题目

Only then _______ what he really meant when he said “ You left something here.
Only then _______ what he really meant when he said “ You left something here.”
A.did I understand B.I understood
C.understood I D.didunderstand I

答案

很高兴为您解答如下：
Only then _______ what he really meant when he said “ You left something here.”
A.did I understand B.I understood
C.understood I D.did understand I
答案：【A】
这里考察的是Only位于句首的倒装结构.
1 Only位于句首修饰状语要倒装
Only in this way can you learn english well
2 在句首的only如果后面跟了副词、介词短语或从句等状语,则主句用倒装结构.
Only when the war was over in 1918 was he able to get back to work．
本句中为only后接了时间副词then,所以主句用倒装,谓语动词借助于助动词do实现倒装 根据一般过去时态用did.
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