Water costs money．In some places water is hard 31 ．What 32 when a town has these problems？A small town in California found a happy 33 ． Very 34 rain ever fell there．The town had no water 35 ．The water it used was 36 from a river 300 miles away．As more people 37 live in the town 38 water was needed．Now water 39 to be brought in from 600 miles away．All these cost 40 money． The town 41 a plan．It found 42 to clean its “dirty” water．Once the cleaned water was reused 43 many ways．Five 44 lakes were built．Here people could swim and fish and go 45 ．They 46 have picnics in their new parks．Farmers had more water 47 their crops．New factories can be built，now that they have the promise of 48 ． In most places，water is used and thrown 49 ．The town that saved 50 water has saved the town！ 小题1: A．supplying B．getting C．to get D．to supply 小题2:    A．happens     B．happening    C is happened     D．happened 小题3:    A．key         B．answer       C answering    D．way 小题4: A．little B．a little C．few D．a few 小题5:    A．of itself   B．of its own  C．for its own    D for itself 小题6: A．fetch B．take C．brought in D．guided 小题7: A．come to B．came to C．coming to D．came for 小题8: A．many B．plenty of C．more D．many more 小题9: A．has B．had C．must D．needed 小题10: A．many B．a few C．a great many D．a lot of 小题11: A．put B．made C．supply D．noticed 小题12: A．a way B．ways C．an answer D．a key 小题13: A．for B．by C．at D．in 小题14: A．man-making B．man-make C．man-made D．man made 小题15: A．boating B．to boat C．to boating D．on boating 小题16: A．must B．could C．needed D．had to 小题17: A．as B．with C．for D．to 小题18: A．water enough B．enough water C．crops enough D．enough crops 小题19: A．off B．of C．away D．out of 小题20: A．it’s B．its C．one’s D．his