----- Nội dung ảnh ----- 1. Exercise: Make sentences with the words given. Example: Dr. Minh is diet expert. 2. It's easy to get flu; we should try to avoid cold weather. 3. I have a toothache yesterday because... 4. He has flu; he keeps sneezing and coughing. 5. Which activity uses more calories: walking or riding a bicycle? 6. You do not play computer games in free time. 7. Doctor asking Mai questions about health problems. 8. Vitamins play an important role in our diet. 9. We keep our bodies warm/avoid cold. 10. Getting enough rest helps you concentrate on school.