41. Stamps by people for sending letters .

　　A. use B. in using C. used D. are used

　　42. More trees next year .

　　A. will be planted B. will plant C. have planted D. are planting

　　43. — When the People’s Republic of China ?

　　— On October 1.1949 .

　　A. did …found B. was …found C. was … founded D. is … founded

　　44. Today , too many trees are still in the world .

　　A. cutting down B. cut down C. being cut down D. cutted

　　45. This kind of machine Japan .

　　A. is made by B. is made from C. is made in D. is made of

　　46. The teacher says that the man will .

　　A. be well taken care B. well look after C. take care well D. be well looked after

　　47. — I think the shop .

　　— No , It’s open . It at six .

　　A. is close … close B. is closed … closes C. closed … closes D. is closed

　　48. I was astonished(吃惊)to hear that the colour TV set 5 , 000 yuan .

　　A. has cost B. cost C. costed D. was cost

　　49. Great changes place since he came here .

　　A. have been taken B. have taken C. has been taken D. has taken

　　50. He was seen something from the shop .

　　A. steal B. to steal C. to be stolen D. stealed

　　51. She has by her classmates .

　　A. laughed B. laughed at C. been laughed D. been laughed at

　　二. 用正确的时态和语态填空

　　1. Nearly everybody here (know)when the old museum (build).

　　2. The building can (see)from every part of the city ; It (build)many years ago .

　　3. Yesterday Tom (tell)me that his bike (break)last week .

　　4. The students often (tell)to take care of their desks and chairs .

　　5. Now he (be)asked if the meeting (hold)next Friday .

　　6. It is known to all that the moon (turn)round the earth .

　　7. Miss Li often (use)a recorder in her English class . But she (not use)it tomorrow .

　　8. Vegetables , eggs and fruits (sell)in this shop .

　　9. English (speak)here .

　　10. The song (like)by us all twenty years ago .