请注意听老师讲。 采访老师一定很有趣。 去年她在衣服上花了很多钱。 对我们来说有必要学会团队精神。应该邀请更多的人参加慈善演出。
We are supposed to (鼓励)the young to read more books.
Keeping an English diary can help us improve our writing (能力).
This is the (第八) year for Jim Green to stay in China.
The plane flew at a (高度) of three thousand meters.
It's necessary for us to (等待) in line in public.