Accordingtotheairtrafficrules,you
問題詳情:
According to the air traffic rules, you ______ switch off your mobile phone before bearding.
A. may B. can C. would D. should
【回答】
D
解析:此題考查情態動詞的用法。根據句意“按照空中交通規則,你應當在登機前關掉你的手機”,所以只有should(應該,應當)符合題意。
知識點:虛擬語氣與情態動詞
題型:選擇題