20.Henry Ford is famous not only　　　 he achieved in his own lifetime, but also because the Ford Motor Company is named after him.

　　 A. for what　　 B. for which　　 C. what　　　 D. which

19.---Did you remember to give Jenny the money?

　 ---Yes. _____ I saw her, I am sure.

　 A. so long as　　 B. So far as　　 C. No matter when　　 D. the moment

18.----Will you tell me______ Tom got in touch with Mr. Smith?

　 --- Through a friend of mine.

A. How it was that　　　 　　　B. How was it　

C. It was how that　　　　　　 D. Was it how that

17. It’s very important for you to be there on time. You _____be there at 8:00.

A. will　　 B, can　　 C. shall　　 D. should

16. Have you ever been upset when ____ to yourself after your mobile phone battery runs out in the middle of a call?

A. being left talking　　 B, left talking　　 C. being left talk　　 D, leaving talking