－Mum,mustIbeateacherlikeyouwhenIgrowup?－No,you

问题详情：

－Mum, must I be a teacher like you when I grow up?

－No, you ______. You’re free to make your own decision.

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

【回答】

B

知识点：情态动词

题型：选择题