1. Hung often_________his bike to visit his hometown. A. drives B. flies C. rides D. goes 2. Every year, there are many people ________ blood. A. care B. the disabled C. homeless people D. donate 3. We do many things to help the __________ A. donate B. clothing C. blood D. community 4. If you have a lot of bottles, dolls or stamps, your hobby is _________ A. listening B. collecting C. cycling D. dancing 5. Do more _________, and you will feel fitter and healthier. A. exercise B. games C. calories D. homework 6. People _____ between 1,600 and 2,500 calories a day to stay healthy. A. need B. needed C. have needed D. needs 7. The room smells bad. Somebody __________ in here. A. to smoke B. smoked C. has smoked D. smoke 8. In that area, it ____________ difficult to find enough food in winter. A. was B. is C.has been D. be