Question

【题目】Excuse me，sir. You use your mobile phone at the gas station. It's very dangerous.

A. mustn't B. couldn't C. shouldn't D. mightn't

Answer 1

【答案】A

【解析】句意：对不起，先生。你千万别在加油站用你的手机，它是非常危险的。A. mustn't“千万别、不允许”，表示禁止；B. couldn't不能；C. shouldn't不应该；D. mightn't不会。根据常识，加油站禁止使用手机，可知A选项符合题意，故答案选A。