16. This is the house _____ windows were broken. A. whose B. which C. its D. of which ...

49. We are taking ____a collection to buy flowers for John because he is in the hospital. A. to B. up C. over D. off ...

45. The Song Dynasty contributed three great inventions____ world civilization. A. to B. towards C. with D. in ...

41. The map was drawn to the standard____ of 1/100,000 so there was not much detail. A. base B. line C. rate D. scale ...

37. The student was very excited when he ____ his teacher in this important lecture. A. assisted B. insisted C. resisted D. persisted ...

33. Though ____ in San Francisco, Dave Mitchell had always preferred to record the plain facts of small-town life. A. raised B. grown C. developed D. cultivated ...

28. Without facts, we cannot form a worthwhile opinion, for we need to have factual knowledge ____ our thinking. A. upon which to base B. which to base upon C. which to be based on D. to base on which ...

24. The long-awaited Hubble Space Telescope, ____to orbit the Earth next March, will observe some of the oldest stars in the sky. A. subject B. owing C. available D. due ...

20. Harold is a good student, ____ his best subject. A. as English B. English as C. being English D. English being ...

16. The boy slipped out of the room and headed for the swimming pool without his parents’____. A. command B. conviction C. consent D. compromise ...