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To: Mr. Smith
Time: A0 a. m. , Feb ABth, B00F......
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It seems as if water is always available around us and we never have to worry about water shortage. In fact water is rather limited on the earth. With the rapid increase of population and fast development of industries, water is more needed than before. At the same time, a large amount of water has been polluted and wasted every day. Some big cities in China are facing the problem of water shortage already.
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What will happen to him if one refuses to pay for a public goodHe ______ be kept from
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