It’s cold outside. You need to your sweater before you go out.A. put onB. put offC. put u

问题补充：

It’s cold outside. You need to your sweater before you go out.

A. put on

B. put off

C. put up

D. put down

答案：

(答案→)A. put on

B. put off

C. put up

D. put down

解析：put on穿上，上演；put off 推迟，阻止；put up建造，举起；put down镇压，记下，贬低；句意：外面很冷，在你出去前，你需要穿上你的毛衣。结合语境可知选A。