4. He was knocked down 　　　　　.

　 A. by bus　　　　　　 B. by bike　　　　　　 C. on a bus　　　　　　 D. by a bus

3. I am fourteen years old. 　　　　, how old are you?　

　 A. By the way　　　　 B. By train　　　　　　 C. By　　　　　　　　 D. By far

2. The train 　　　　　when we 　　　　　to the station.

　 A. was left, was getting　 B. was left, got　　　　 C. had left, got　　　　 D. would finish

1. They 　　　　　the work before nine o’clock last night.

　 A. finished　　　　　　 B. have finished　　　　 C. had finished　　　　 D. would finish

18. The camera is 　　　　　expensive 　　　　　I can’t afford it.

　 A. such, that　　　　　 B. too, to　　　　　　 C. such, to　　　　　　 D. so, that

Unit 10 By the time I got outside, the bus had already left.

(II)

17. His works are widely read by people 　　　　　the world.

　 A. across　　　　　　 B. all over　　　　　　 C. throughout　　　　 D. all above

16. He 　　　　　a doctor last year.

　 A. married with　　　　 B. marry　　　　　　　 C. marries　　　　　　 D. married

15. The students can’t 　　　　　to the question.

　 A. answer　　　　　　 B. to answer　　　　　 C. reply　　　　　　　 D. to reply

14. My best friend invited me 　　　　　a trip to Mount Huang last month.

　 A. having　　　　　　 B. to have　　　　　　 C. had　　　　　　　 D. have

13. I happened 　　　　　him last night.

　 A. to meet　　　　　 B. meet　　　　　　　 C. meeting　　　　　　 D. meets