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To make sure that there was enough 78 for his sister’s wedding meal（婚宴）， Ma missed four school days. He 79 the time carrying water from a lake, 30 miles away from his home. “How I wish I could live 80 a river,” said Ma.
This is the dream of many in northern China. 81 it has the world’s third largest quantity（數量）of water, China is 82 of the 13 thirstiest(最干旱的) countries.
The areas that are in most need of water are western and northern China, where there is 83 rain. These areas have just six percent of the country’s total water, but that water has to feed one third of Chinese people. Much of the water comes from underground. But using much underground water has made the ground sink（下沉）in some places.
Things are getting 84 worse because people are wasting water. Half of the water that farmers use for crops goes to waste. Factories use more water 85 they need and they put dirty water into rivers and lakes. The less water there is, the more worried people will be. How can we use water in a smart way? It’s a question for you to think about on World Water Day, Mar 22.
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