3. Someone must have seen the television （ ）A. to stolen B. steal C. being stolen D. stealing ...

20. Children should be taught how to get on well with （ ）_.A. another B. not C. each other D. no ...

3. Studies in advanced economies show, as one would expect, that for every 1,000 pounds increase in income there is, indeed, an increased sense of well-being (幸福)---but only for the poorest fifth of the population. ...

17. The war broke out （ ）1914.A. in B. at C. on D. since ...

10. The city has a population of over （ ）.A. five hundred million B. five hundred millions C. five hundreds million D. five hundred millions people ...

5. Someone was speaking there; the voice was familiar （ ）us.A. by B. to C. for D. with ...

20. While crosing the street, he knocked（ ）our car.A. at B. into C. off D. out ...

15. She usually goes to work（ ）foot.A. in B. on C. by D. through ...

9. I don’t know her address,（ ）I can’t write to her.A. but B. or C. so D. since ...

2. May I stay with you（ ）going back to my parents’ home tonight?A. because of B. so as to C. in spite of D. instead of ...