摘要：35．--We our friend in Hong Kong． -- Well, have a good time．A．visited B．are visiting C．have visited D．were visitingMany Americans are trying to lose weight．Some eat less rood and hardly have any fats or sweets．Others do running, 36 with machines, take medicine, or even have operations．So you can see losing weight is 37 work, and it also costs a lot of money．But 38 do so many people in the US want to lose weight? Because they worry about their 39 ．For many people, looking nice means being thin．Other people worry about their health as many 40 say overweight is not good．Most people want to find a faster and easier way to 41 fat, and books of this kind are very popular．These books 42 people how to lose weight．Each year a lot of new books like these are written．Each one says it can 43 help people take fat away．Losing weight can be 44 ．Some overweight people go to health centers, like La Costa in California．Men and women 45 several hundred dollars a day at these health centers．So in the United States, losing weight may mean losing money, too．

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