题目内容
It was not until ________ that ________ to prepare his lessons.
[ ]
A.did his father come in; the boy began
B.his father came in; the boy began
C.did his father come in; did the boy began
D.his father come in; did the boy began
答案:B
解析:
解析:
强调时间状语从句。在强调句型中,即使强调否定结构也不用倒装。D项时态不对。 |
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