I want __a map of China.A.buy B.is buying C to buy D.am buying

问题描述:

I want __a map of China.A.buy B.is buying C to buy D.am buying

C to buy
want to do sth

C to buy
sb.want to do sth. 是一个固定搭配,意思是某人想买什么东西

want to do sth,故选c

c
want to do sth.
固定搭配