-I like your trainers.I'd like __.-Oh,my aunt bought __for me.A.to buy them;them

问题描述:

-I like your trainers.I'd like __.-Oh,my aunt bought __for me.A.to buy them;them
B to buy one;it C.buying a pair;the pair

A 首先是复数排除B,第二空的 them代表上面的trainers!