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

35.　 The policemen are searching for the ____car on the highway.

A. damaging　　 B. damaged　　 C. destroying　 D. destroy

34.　 Driving the halfway I _____ my car was out of gas.

A. noticed　　 B. find　　 C. found out　　 D. saw