高等继续教育 / 旅游英语
正确率:100%
题型描述: 单选题
Not until he retired from teaching three years ago _ _ _ _ _ having a holiday abroad.
A.he considered
B.did he consider
C.had he considererd
D.he had considered
Not until he retired from teaching three years ago _ _ _ _ _ having a holiday abroad.
A.he considered
B.did he consider
C.had he considererd
D.he had considered
参考答案: