can表示请求/许可有关试题答案解析

考点：情态动词的使用，表达请求或询问

题型：单项选择-四个选项 | 难度：适中

1 . — _________ you give me some advice about protecting the environment(保护环境)?
—Yes, I think it’s important to do garbage sorting(垃圾分类).

A．Can

B．Must

C．May

D．Need

考点：情态动词的使用，表示能力或许可

题型：单项选择-四个选项 | 难度：较易

2 . — _________you go skating with me this Saturday, Mary?
— I’m afraid I _________. I’ll help my old neighbor fix his washing machine that day.

A．Could; couldn't

B．Could; can

C．Can; can’t

D．Can; could

考点：询问许可的句型

题型：完成句子-汉语提示 | 难度：较易

3 . 我可以打开门吗？
________ ________ open the door?

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

4 . —______ 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