Question

【题目】Not until he retired from teaching two years ago _______ having a holiday abroad.

A. he had considered B. had he considered

C. did he consider D. he considered

Answer 1

【答案】C

【解析】

考查部分倒装。句意：直到他两年前从教育退休，他才考虑去国外度假。not until结构位于句首时，主句使用部分倒装语序，排除A、D选项，根据three years ago判断句子用一般过去时，答案选C。