nt points which also make us confused, would you please give us more practice in case we forget? meanwhile, we need your instruction, for example, in how to write in natural english. i still have another request: assign us less homework in order that we can do it more efficiently.

　　　　by the way, we often feel frustrated, which has a very bad effect on our study. we would appreciate it if you would give us some encouragement from time to time.

上一页  [1] [2]