—Attention please. The plane has to be put because of the heavy fog.—Oh bad luck! We ha

问题补充：

—Attention, please. The plane has to be put because of the heavy fog.

—Oh, bad luck! We have to wait now.

A. on

B. away

C. up

D. off

答案：

A. on

B. away

C. up

(答案→)D. off

解析：选择中几个单词和put搭配使用,分别表示穿上,上演；放好，抛弃；提供，建造；推迟，阻止。句意：请注意，由于大雾，飞机不得不推迟气氛。——哦，太倒霉了。我们现在必须等等了。结合语境可知选D.