____________fun it is to drink a cup of tea. A How B What fun 也能做形容词呀

问题描述:

____________fun it is to drink a cup of tea. A How B What fun 也能做形容词呀

B What
fun做名词
what fun it is 多有乐趣啊
相当于 it is fun
be动词后面不一定加形容词的,加名词也可以
而fun是不可数名词,所以选B