16. Teenagers should by all means ________ their studies though there are a lot of attractions around them.

A. devote to　　 B. fix on　　 C. concentrate on　　 D. keep on

15. Cooper was _____ of selling heroin worth of 5000 dollars to many drug users.

A. charged　　 B. accused　 C. adjusted　　 D. accustomed.

14. Tom was sent to Athens to ______ the Olympics.

A. discover　　 B. interview　　 C. recover　　 D. cover

13. After graduation, I went to college; ______, all my friends got well-paid jobs.

A. meanwhile　　 B. while　　 C. when　　 D. besides

12. The old man drove the car at a ______ speed, making us very comfortable.

A. high　 B. surprising　　 C.crazy　　 D. constant.

11. I ____ the words with which to express my thanks.

A. lack of　　 B. am lacking in　 C. lacking for　 D. am lack

10. A team of nurses _____ the doctor ___ performing the operation.

A. helped; to　 B. helped; with　 C. assisted; in　 D. assisted; with

9. ---- Why did you eat your words, Billy?

---- Sorry, dear, But I really forgot where I was ____ to meet you.

A. demanded　　 B. imagined　　 C. supposed　 D. guessed.

8. --- I hear that you will be on travel again.

---- Yeah. My boss _____ for me to discuss business details with someone from another company.

A. asked　　 B. arranged　　 C. hold　 D. called.

7. This room is ______ with a bed and a cupboard.

A. provided　　 B. decorated　 C. beautified　 D. furnished.