45.　 The new law has come into _____; surely it will have _____on industry of the country.

A. affect; an effect　 B. effect; affect　 C. effect; an effect　 D. an effect; an effect

DCCAB　 BAAAB　 BCDDC

44.　 ______the house was started before she went to Africa and now it is still under construction.

A. Working　 B. Working at　 C. Working on　　 D. Work on

43.　 They have made medicine from a new plant _____a cure for fever.

A. used it as　 B. using as　 C. and used as　　 D. used as

42.　 –Does it matter if I give it up this time?

-- It ____if you do. You won’t have ______chance.

　A. does; the other　　 B. does ; second　

C. does matter; another　 D. does matter; the other

41.　 She won’t come over for a visit unless________.

A. being invited　　 B. invited　 C. inviting　 D. was invited

40.　 – You seem to have made another decision.

---You are right. I am considering ________. California , you know, is my first choice.

　A. to move out　 B. getting out of here　 C. to move my house　 D. moving family

39.　 –Do you know _______?

--- Someone wants to find his dog back.

　A. what the notice says　　 B. what the notice writes

C. what is the notice written　　 D. what does the notice say

38.　 – Have they found out the _____ of the fire?

--　 Yes. It was a cigarette end that _____ the fire.

A. cause; started　　　 B. reason; caused　

C. causing; caused　 　D. reason; cause

37.　 She did not take the advice that she ___ at rush hour, so she got lost.

A. not travel　　 B. did not go　 C. should travel　 D. goes shopping

36.　 In the last ten years she _____ like this; she is killing her health.

A. works　 b. has been working　 C. worked　　 D. is working