问题描述：
It is not fun.The teacher says it
It is not fun.The teacher says it is useful ,but I think it is difficult.Then at 9:00 I have science.It is difficult but interesting.的中文意思
It is not fun.The teacher says it is useful ,but I think it is difficult.Then at 9:00 I have science.It is difficult but interesting.的中文意思
问题解答：
我来补答展开全文阅读