title: 快!紧急求助英语题Ithinkhemustberight,___ 
desc: I think he must be right,________?
  A.isn't he 
  B.is he
  .mustn't he
  D.must he
answer: 选a isn't he 
  
  
  陈述部分主句为第一人称，谓语是think, believe, expect, suppose, imagine等引导的定语从句，疑问部分与宾语从句相对应构成反意疑问句。例如：
  
  　　   I don't think he is bright, is he? 我认为他并不聪明，是吗？
  
  　　   We believe she can do it better, can't she? 我们相信她能做得更好，她能吗？
  
  
  
  
  