—Mr.Wang,mustIcomeagaintocleantheclassroomonSunday?—No,...

问题详情：

—Mr. Wang, must I come again to clean the classroom on Sunday?

—No, you____ . I have asked Kate to do it.

A. can’t  B. mustn’t  C. needn’t  D. shouldn’t

【回答】

C

知识点：情态动词

题型：选择题