—Mum,mustIstaytherethewholeday?—No,you          .You   ...

问题详情：

—Mum, must I stay there the whole day?

—No, you                      come back after lunch, if you like.

A. mustn’t; can             B. needn’t; must     C. needn’t; may  D. mustn’t ; must

【回答】

C

知识点：情态动词

题型：选择题