Youhavetokeepquietwhilewatchingthefilm,

问题详情:

 Youhavetokeepquietwhilewatchingthefilm,

 You have to keep quiet while watching the film, _______ you?

  A. haven’t                 B. don’t                       C. didn’t                       D. will

【回答】

B

知识点:非谓语动词

题型:选择题