could表示委婉语气有关试题答案解析

考点：掌握疑问句的肯定答语结构

题型：完成句子-写出答句 | 难度：适中

1 . Could you please help me solve the problem? (写出肯定答语)
_________________________________________

考点：情态动词的用法，尤其是 'Could' 的礼貌请求用法

题型：单项选择-四个选项 | 难度：适中

2 . — ________ you help to wash the car?
—Sorry, Dad. I’m doing my homework.

A．Must

B．Could

C．Might

D．Should

考点：否定命令句

题型：单项选择-四个选项 | 难度：适中

3 . Could you please ________ loudly here? Emma is doing her homework.

A．don't talk

B．not talk

C．no talk

D．not to talk

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

4 . — _________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