-It’s too cold today. ---Yes why don’t you your coat? A. get onB. put up　C. take off　

问题补充：

---It’s too cold today.

---Yes, why don’t you your coat?

A. get on

B. put up

C. take off

D. put on

答案：

A. get on

B. put up

C. take off

(答案→)D. put on

解析：句意：--今天天气太冷了。--是的，你为什么不穿上外套？分析选项：get on上车；put up张贴；take off脱下；put on穿上，天气冷一定是穿上外套。故选D