21、—I'm sorry to keep you waiting. I'll make short work of this.

—           .I'm not in a hurry.

A. Take it easy  B. Take your time  C. Not at all    D. Do as you like

20、The education of          young has become        hot and serious topic in the present society.

A. the; 不填     B. a; the          C. 不填; the   D. the; a

19、John has gone to Shanghai, but I'm wondering why he          in such a hurry.

A. left           B. has left         C. leaves       D. was leaving

18、—Which of the electronic dictionaries do you like most?

—          . They are both expensive and of little use.

A. None         B. Either          C. Neither      D. Any

17、It worried him a lot         his young son wandered in big cities and found no job.

A. for           B. if              C. that         D. while

16、While in the university, we were offered a number of after-school activities to       our social skills.

A. create         B. grow            C. develop      D. settle

14、He arrived in Hollywood in 1964,          , some time later, he became a famous actor.

A. when         B. where          C. that         D. which

13、The survey shows that speed          at least 30 percent of road traffic and deaths.

A. contributes to  B. results from     C. lies in       D. answers for