1. They only eat ………and delicious food. A. healthy B. healthful C. healthily D. A & B 2. He ate breakfast 6 hours ago. He…………be hungry. A. had to B. must C. ought to D. need to 3. She left without………. goodbye. A. say B. to say C. saying D. to saying 4. That is the key………. a heathy lifestyle. A. of B. for C. to D. in 5. I always try to have a healthy, balanced………... A. food B. diet C. exercise D. product 6. This food tastes……………….. A. careful B. carefully C. delicious D. deliciously 7. Fresh fruits and vegetables are good……….. you A. for B. at C. off D. on II. Choose the words or phrases that are not correct in standard English. 8. We should eat a moderate amount for fatty food. A B C D 9. You eat a variety of foods without eat too much of anything. A B C D 10. She said that it is the key of success. A B C D