Read the following passage text then answer the questions by choosing option A,B,C or D Water is one of our most important natural resources. We need (56) ________ it daily to stay alive. We also use water for cooking, cleaning and, of course,(57) ________ and swimming-and for making skating rinks in winter! Water is vital to our economy, too-from growing food to running factories. We also turn the energy of moving water-like Niagara Falls-into (58) _________ power.Like electricity, we expect to have good,clean water at the turn of the tap. It has to travel to us and, after we use it, water (59) ________ and returned to its source-usually nearby rivers or lakes. All of this activity takes energy. Saving water means saving energy. The less water you (60) _______, the less energy is used to pump,treat,distribute and recover it. 56. A. drink B. to drink C. drinking D. drank 57. A. splashing B. splash C. to splash D. splashed 58. A. electric B. geothermal C. hydroelectric D. solar 59. A. treated B. is treated C. treating D. is treating 60. A. use B. using C. are using D. in use