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Fill in the blanks with appropriate form of the verbs given in brackets in the paragraphs below.Saving water is very important. Rain water, being the purest form available, efforts ............ (should, make) to harvest it. The basic purpose of water harvesting is to conserve water. This ............... (can, do) by storing water in aground reservoir. The rooftop harvesting process is quite simple and doesn’t cost much. First the rooftop .............. be, clean), a pipe ............ (be, insert) and linked to the rooftop as well as the underground reservoirs. Then the water ............... (be, filter) before it reaches the underground reservoir |
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Answer» 1. should be made; 2. can be done; 3. is cleaned; 4. is inserted; 5. is filtered. |
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