We are going to recycling stations in our town to collect old clothes. (建立,创建)
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.