完形填空。 It's necessary to talk about the most important thing-food.  If we want to be l , we must have enough food. It must be clean food which is well 2 , and it must be the right kind of food. Many people have enough food. We know we 3 food when we feel hungry. Then, if we eat a bowl of rice, we will not feel hungry. 4 of us have enough food to eat. 5 have we eaten the right kind of food? Bread is good for us. It 6 us to work and study. It keeps us 7 when the weather is cold. But if we do not eat other food, we will become 8 . Meat, eggs and milk are all very good for us. They help us to 9 . They keep us healthy. We must have some of these kinds of food every day. We must also have 10 and vegetables. They are good for us, too. (     )1. A. weak (     )2. A. cooked (     )3. A. keep (     )4. A. Few (     )5. A. So (     )6. A. helps (     )7. A. hot (     )8. A. well (     )9. A. grow (     )10. A. coffee B. healthy B. done B. provide B. None B. Then B. wants B. full B. ill B. sleep B. chocolate C. happy C. sold C. plant C. Most C. Or C. wishes C. warm C. strong C. walk C. fruit D. surprised D. watched D. need D. Every D. But D. makes D. cool D. honest D. play D. pizza