I want very much to buy this color TV set,but I can’t affordA one B it C that D this这个 为什么 要选 B 啊

问题描述:

I want very much to buy this color TV set,but I can’t afford
A one B it C that D this
这个 为什么 要选 B 啊

it代表后面的buy this color TV set,不记得为啥了,习惯成固定用法了