On the night of February 14th, 2011, all the Chinese _________ by Guo Mingyi, a very common worker who ________ more than 180 poor children since 1994.
A. are moved, helps B. moved, helped
C. were moved, has helped D. moved, have been helped
The Nanjing Yangtze River Bridge is still very strong, ___________ it is almost 43 years old.
A. although B. but C. so D. because
—__________ do I have to change the robot’s batteries? —Every two months.
A. How long B. How soon C. How often D. How many
Mr Chen __________ his mobile phone to the shop because it can’t work at all.
A. need to return B. needs return C. need returning D. needs to return
Computers have made a great difference _______ our everyday life.
A. with B. of C. to D. for
After half a day’s hard work, we made our classroom look as _______ as new.
A. well B. better C. best D. good
