—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
—I could believe my eyes when I came to Nanjing last year.
—Yes. Great changes have taken place in the past few years.
A. hard B. hardly C. almost D. nearly
When Nanjing Metro Line 3 came into use, it became much to travel from the north of the Changjiang River to the city centre.
A. easy B. easier C. easily D. more easily