What do you use it for?We use it to study English.后一句中为什么是use to,而不是use for studing...

问题描述:

What do you use it for?We use it to study English.后一句中为什么是use to,而不是use for studing...
后半句中可以把 to study ..换成use for studing吗?

use it to 用来做
use it for 为了什么而用