he must have waitted here for an hour ,—— A didn't he B mustn't h_英语解答

he must have waitted here for an hour ,—— A didn't he B mustn't he C hasn't he D must he .
,我选的也是C

人气：106 ℃　时间：2020-02-04 03:41:10

解答

这个肯定选C!当Must 表推测时,反意问句用什么动词,一个最好的办法就是想象前句没有情态动词.He,i am sure,has waited here for an hour,hasn't he?如果要使A 成立,除非题干是这样的.He must have waited here for an...