must表示必须有关试题答案解析

考点：情态动词的选择，询问能力

题型：单项选择-四个选项 | 难度：较易

1 . —_________ your American friend eat with chopsticks?
—Yes, but he can’t use them well.

A．Can

B．Should

C．Must

D．Need

考点：情态动词的选择

题型：单项选择-四个选项 | 难度：适中

2 . — Mom, can I go out with Anna tonight?
— Sure, but you ________ come back home by 9:00.

A．can’t

B．needn’t

C．must

D．need

考点：情态动词：请求许可与表示义务

题型：单项选择-四个选项 | 难度：适中

3 . —______ I take the book home? I really like it.
—Sure. But you ______ keep it clean.

A．May; may

B．Can; can

C．May; must

D．Must; may