There is benefit of you to reading.it is benificial of you to reading 这里to 是介词?别的形容词也能it is adj.of sb.to doing 为什么不是to do
问题描述：
There is benefit of you to reading.it is benificial of you to reading 这里to 是介词?
别的形容词也能it is adj.of sb.to doing 为什么不是to do
答
是的