I think that keeping a pet is just ________ trouble. I dislike pets at all.
A. too much B. too many C. too few d. too little
All the children like the teachers ________ can understand them.
A. what B. which C. who D. whose
________ made kung fu popular in the west. He is my hero.
A. Christopher Columbus B. Bruce Lee C. Pelé D. Elvis Presley
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
