We use water to clean our classroom对clean out classroom 的划线题问

问题描述:

We use water to clean our classroom对clean out classroom 的划线题问

what do you use water for?
why do you use your water?
事实上,what for 和why 效果一样,但在此处显然what for要恰当些
手打 太给力了,你的回答已经完美的解决了我问题!