填空。 Water costs money. In some places water is hard 1 . What 2 when a town has these problems? A small town in California found a happy answer. Very 3 rain ever fell there. The town had no water 4 . The water it used was 5 from a river 300 miles away. As more people 6 live in the town, more water was needed. Now water has to be brought in from 600 miles away. All these cost a lot of money. The town 7 a plan. It found ways to clean its 'dirty' water. Once the cleaned water was reused 8 many ways. Five man-made lakes were built. Here people could swim and fish and go 9 . They could have picnics in their new parks. Farmers had more water for their crops. New factories can be built,now that they have the promise of enough water. In most places, water is used and thrown 10 . The town that saved its water has saved the town! (     )1. A. supplying (     )2. A. happens (     )3. A. little (     )4. A. of itself (     )5. A. fetch (     )6. A. come to (     )7. A. put (     )8. A. for (     )9. A. boating (     )10. A. off B. getting B. happening B. a little B. of its own B. take B. came to B. made B. by B. to boat B. of C. to get C. is happened C. few C. for its own C. brought in C. coming to C. supply C. at C. to boating C. away D. to supply D. happened D. a few D. itself D. guided D. came for D. noticed D. in D. on boating D. out of