Mr. Wang, who is said to have immigrated to the USA, __ at No.2 Middle School in our city for twenty years.
The books on the desk, covers are shiny, are prizes for us.
You _____be careful with the camera. It costs!
Jane’s grandmother had wanted to write children’s book for many years, but one thing or another always got in way.
——Hi, John. Are you busy? ——
Yang Liwei showed the flags of China and the United Nations, ________ the wishes of Chinese people to use space peacefully.