cold weather!---Yes it is. You should wear warm clothes.A. WhatB. What aC. HowD. How

问题补充：

--- cold weather!

---Yes, it is. You should wear warm clothes.

A. What

B. What a

C. How

D. How a

答案：

(答案→)A. What

B. What a

C. How

D. How a

解析：因为weather 是不可数名词，且名词前没有the ，所以用what来感叹！