完形填空（共20题，每小题1分）
阅读下面一段文章，从A 、B、 C、 D 四个选项中选出最佳选项。
Water costs money. In some places water is hard 36 . what 37 when a town has these problems ? A small town in California found a happy 38 .
Very 39 rain ever fell there. The town had no water 40 . The water it used was
41 from a river 300 miles away. As more people 42 live in the town, 43 water was needed. Now water 44 to be brought in from 600 miles ways. All these cost 45 money.
The town 46 a plan. It found 47 to clean its “dirty” water. Once the cleaned water was reused 48 many ways. Five 49 lakes was built. Here people could swim and fish and go 50 . They 51 have picnics in their new parks. Farmers had more water
52 their crops. New factories can be built, now that they have the promise of 53 .
In most places, water is used and thrown 54 . The town that saved 55 water has saved the town!
36. A. supplying B. getting C. to get D. to supply
37. A. happens B. happening C. is happened D. happened
38. A. key B. answer C. answering D. way
39. A. little B. a little C. few D. a few
40. A. of itself B. of its own C. for its own D. for itself
41. A. fetch B. take C. brought in D. guided
42. A. come to B. came to C. coming to D. came for
43. A. many B. plenty of C. more D. many more
44. A. has B. had C. must D. needed
45. A. many B. a few C. a great many D. a lot of
46. A. put B. made C. supply D. noticed
47. A. a way B. ways C. an answer D. a key
48. A. for B. by C. at D. in
49. A. man-making B. man-make C. man-made D. man made
50.A. boating B. to boat C. to boating D. on boating
51. A. must B. could C. needed D. had to
52. A. as B. with C. for D. to
53. A. water enough B. enough water C. crops enough D. enough crops
54. A. off B. of C. away D. out of
55. A. it’s B. its C. one’s D. his