33. On the side of the hill, there is a _____ which was once the entrance to a gold mine. A. deep hole in ground B. hole deep in ground C. deep hole in the ground D. deep in the ground hole ...

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 ...