题目
Not until he retired from teaching three years ago__________ having a holiday abroad.A. .he had consideredB. .had he consideredC. .he consideredD. .did he consider
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
题目解答
答案
D
解析
步骤 1:识别句子结构
句子的主干是"Not until he retired from teaching three years ago __________ having a holiday abroad.",其中"Not until"引导时间状语从句,主句需要部分倒装。
步骤 2:确定时态
根据时间状语"three years ago",主句的动作发生在过去,因此使用一般过去时。
步骤 3:选择正确的倒装结构
由于主句需要部分倒装,因此选择助动词"did",将"did"置于主语之前,构成倒装结构。
句子的主干是"Not until he retired from teaching three years ago __________ having a holiday abroad.",其中"Not until"引导时间状语从句,主句需要部分倒装。
步骤 2:确定时态
根据时间状语"three years ago",主句的动作发生在过去,因此使用一般过去时。
步骤 3:选择正确的倒装结构
由于主句需要部分倒装,因此选择助动词"did",将"did"置于主语之前,构成倒装结构。