—The air in Nanjing was much better during the Spring Festival because people were not allowed to let off firecrackers.
—I agree. Everyone should do what he can the environment.
| A．protect | B．protecting |
| C．protects | D．to protect |
Facebook is one of the most popular websites in Britain ___ over twenty-five million users.
| A．of | B．for | C．with | D．by |
—What does your brother look like ?
—________.
| A．He likes watching TV. |
| B．He is a worker in a factory . |
| C．He is very tall and strong . |
| D．He plays basketball every day . |
—Tom works hard at English.
—____, and _____.
| A．So does he ; so you do | B．So you do; so is he |
| C．So he will; so do you | D．So he does; so do you |
The man ________came to see you yesterday has come again.
| A．which | B．whose | C．who | D．when |
It is cruel___ them to catch the sharks and cut______ their fins.
| A．of down | B．for off |
| C．of off | D．for down |