问题

According to the air traffic rules, you should ________ off your mobile phone beforeboarding.

A:cut
B:put
C:call
D:switch

正确答案是：

同类题型

You are not going out today, are you –_______ I want to go shopping.

Have you ever checked homework– Yes, is well done.

下列文学文化常识解释错误的一项是（）

It’s better to teach a man fishing than____ a man fish.

Please inform Tom of the exact time of the arrivalof the plane —________ He will come here tonight