早教吧 育儿知识 作业答案 考试题库 百科 知识分享

Ithinkthathemusthavefinishedthearticlebynow,?A.mustn‘theB.hasn'theC.don'tI

题目详情
I think that he must have finished the article by now,________?A.mustn‘t he B.hasn't he C.don't I
▼优质解答
答案和解析
选B,I think从句后加附加疑问句,和从句主谓一致,而must表猜测时和后面的动词保持一致.