The park gates ______ at 10:00 every evening.
| A．lock | B．locked | C．are locked | D．were locked |
—Amy, I think you have to return the book to the library today.
—Why? I it for only one week.
| A．borrowed | B．have borrowed | C．kept | D．have kept |
—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 |
weather it has been these days! One day is quite rainy, another day is quite windy.
| A．What good | B．What a good |
| C．What bad | D．What a bad |
In order to improve our spoken English, more should be paid to our pronunciation.
| A．condition | B．attention |
| C．attraction | D．situation |
—Too much homework has made me tired these days, Mr. Zhang.
—That’s true. But a small tree won’t grow into a big tree it experiences lots of winds and rains.
| A．if | B．because | C．when | D．unless |