I'm your classmate and roommate. It's nice to get back to you again. You have finished your homework very carefully. I learned a lot in your article. I agree with you on the first question, and for the second question, we have a little different ideas, I think. As for the third question, we all agree. For the last question, I learned.
正在翻译中..
![](//wwwimg.woaifanyi.com/pic/loading_3.gif?v=b9814dd30c1d7c59_8619)