–Whoisthemanoverthere?IsitMrLi?  --No,it

问题详情：

–Who is the man over there? Is it Mr Li?  

--No, it ______ be him. Mr Li is much taller.

A. musn’t         B. may not         C. can’t             D. needn’t

【回答】

C

知识点：情态动词

题型：选择题