The enemy took _____control of the city. In other words, all the city was under _____ control of the enemy.
----What do you think of the Chinese language today? ---- Quite popular. It __________ an important role in communicating with other countries. More and more foreign friends are learning Chinese.
The farmer grows various kinds of crops, __________wheat, cotton and rice.
To improve your spoken English, you’d better listen to the tape __________.
Scientists say it will be five or six years __________ it is possible to test this medicine on humans.
Some people do not have enough to eat while some others throw away food just__________ its poor taste.