Lots of people like to take a walk on Nanjing City Wall since it .
A. repaired B. was repaired
C. has repaired D. is repaired
—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
