5.　　 I wait for the car from the factory to ___ me

a. call on　 　b. call for 　c. call at　　 d. call up

4.　　 Ten years went by ____ she realized what had happened to her.

a. since　　 b. until　 c. before　 　d. as

3.　　 In the USA, he made a lot of friends ____ English well to make himself____.

a. learn　 understand　　 b. to learn　 understood

c. learning　 understand　 d. learned　 understood

2.　　 The cause of many animals ____ out is the part that man ____

a. dying　 makes　　 b. dying　 plays　 c. die　 does　 d. to die takes

1.　　 It is impossible for us to hear everything ____ is going on in the world.

a. which　 b. what　 　c. that　 d. where

34. --- Is everything all right?

--- Yes, we were very much afraid ___ our house when we were away.

a. for　 　b. of　　 c. in　 d. from

33. Too much time has been ____ about the matter without result.

a. spent to talk　 　b. spent talking　 　c. taken talking

d. cost to talk

32. They started _____ friendship really meant.

a. understanding what　　 b. understanding which

c. to understand what　　 d. to understand

31. The exam will be given until next week, _____ we’ll have gone over all the lessons.

　　 a. at that time　　 b. then　 c. at which　 d. by which

30. What is the ____ of your blood?

a. kind　　 b. sort　 c. type 　　d. color