精英家教网 > 初中英语 > 题目详情
Your brother helped the little boy,       he?
A.didn’tB.doesn’tC.doesD.did
A

试题分析: 反义疑问句一般遵循前肯定则后否定,前否定则后肯定,疑问部分时态,人称要与前文保持一致。前文为肯定,故后面要用否定形式。本文前文为一般过去时态,故反问部分也要用一般过去时态,故选A。
点评:本题关键点在于对前文时态的判断,判断时态有多种方法,如时间词,上下文语境等,本题就是凭借时间词before判断出前文为完成时态,平时需加强练习。
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