说下为什么选这个答案,和其他错误答案为什么不行~1.He had to give up the plan,___ he A did_英语解答

说下为什么选这个答案,和其他错误答案为什么不行~
1.He had to give up the plan,___ he
A did B didn't C does D doesn't
2.They had to walk here,___he?
A.mustn't B did C didn't D.hadn't

人气：233 ℃　时间：2019-11-02 08:23:16

解答

1. 选B中文意思为：他必须放弃那个计划,难道不是么? 2. 选C中文意思为：他们必须走来这,是吧? 反意疑问句的基本形式为,陈述句+反意附加问句,其中逗号后要用前面动词的助动词的否定形式.前面的动词为had,过去时,所以...