China is a_____country____the third world.
Can you think of some cases __________drivers obviously knew the traffic rules but did not obey them.
The teacher highly recommended that I ___________ more to improve my English.
Liu Xiang achieved his __________ to become the first man to cover the 110-meter hurdles in less than 12.91 seconds.
Physical exercises not only are useful for character training but also can ________ man’s body.
He spent __________ money on books and _________ his books are about space and satellites.