Question

【题目】Only after Mary read her composition the second time ________ the spelling mistake.

A. she has noticedB. did she notice

C. does she noticeD. she noticed

Answer 1

【答案】B

【解析】

试题分析：考查部分倒装。句意：当Mary第二次读她的作文时她才意识到了文章里的拼写错误。only位于句子开头主句需要用部分倒装，此处时态应为过去时，故选B项。