说明原因
问题描述：
说明原因
The medicine will do you good.为什么用do
The stone was so heavy that it was difficult for the old man to lift it.为什么用lift
They live on the other side of the road.为什么用on
答
1.do 应该表示起作用,do good 对.有好处.
2、lift 是举起的意思,不用lift用raise 也是可以的.
3、on the other side of 是一个固定搭配,在.的另一边.
希望以上答案能为你解惑,