29. She had two daughters,_____ became doctors.

a. all of them　　 b. all of whom　 c. both of them　 　d. both of whom

28. ___ my teacher who made me a successful writer.

a. That was　 b. This was　 　c. It was 　D. It is

27. --- Did you remember to give Mary the money you owe her?

--- Yes, I gave it to her ___ I saw her.

a. while　 　b. the moment 　c. suddenly　　 d. once

26. We thought of selling the house, but we decided to ____ it. It might

be valuable.

a. hold onto 　b. keep up with　 c. turn to　 d. look after

25. Though ___ money, his parents managed to send him to university.

a. lacked　　 b. lacking of　 　c. lacking　 d. lacked in

24. Rather than ___ on a crowded bus, he always prefers ___ a bicycle.

a. ride , ride　 b. riding, ride　 c. ride, to ride　 　

d. to ride , riding

23. Not that John doesn’t want to help you, ___ it’s beyond his power.

a. but that　 　b. for that　 c. and that　 d. in that

22. The police officer bought a new house ____ face south.

a. the windows of　 which　　 b. which windows

c. whose of　 the windows　　 d. their windows

21. This year we’ll produce ____ cotton as we did last year.

a. as twice much　 　b. twice as much　 c. twice much as　

d. much as twice

20. It is very cold outside, let’s make a fire ____ ourselves up.

a. warm　 b. warming　　 c. to warm　 d. warmed