阅读下面短文,根据短文内容判断句子正误,正确填A, 错误填B。 Dear Jack, How are you? I have beeen in the USA for six months. I like the life here. I have a few friends. I don't have much homework. There are a lot of sports at my school, but I don't like sports at all. I like the food very much. I eat a lot of different kinds of food every day. I like Coca-Cola very much. I don't drink water. I drink Coca-cola instead. I'm enjoying my life here. The sad thing is that sometimes I get ill. I don't know why. My parents say I must go on a diet and do more sports. Must I? Yours, David ( ) David has been in America for six months. ( ) David has few students in America. ( ) David has to do much homework. ( ) David likes water better than Coca-Cola. ( ) David's parents think he should do more sports.