题目内容
Not until he retired from teaching three years ago having a holiday abroad.
| A. he had considered | B. had he considered |
| C. he considered | D. did he consider |
D
Not until位于句首时句子要倒装,consider having a holiday abroad这个动作发生在retire之后,所以用一般过去时。
【考点】特殊句式—倒装。
【考点】特殊句式—倒装。
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