Not until then___that he was mistaken,when actually gave me much trouble.
题目
Not until then___that he was mistaken,when actually gave me much trouble.
A.did l realize
B.had l realized
答案
选A,因为then在那时候,是一般过去式的时间状语
举一反三
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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