When I handed the report to John, he said that George was the person ___.
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.
Li Hua has __________ good knowledge of the English language and this will be an advantage over others in finding __________ proper job.