To fill in the blanks with the health problems from exercise 2, here are the answers:

1. She's very hot and shivery (run ray), so I think she must have **a fever**.
2. She eats lots of junk food and is overweight. **Obesity** is her problem.
3. He went outside all day long without wearing a hat. Now his skin turns red and hurts. He has got **sunburn**.
4. I think I'm getting a **cold**. I've got a sore throat and a runny nose.
5. Tony had lobster (tôm hùm) for dinner, and now his skin becomes covered with red marks. He says he has a shellfish (tôm cua) **allergy**.
6. If you've got **toothache**, you should go and see a dentist.
7. His body is too hot and soaked in sweat, but he feels very cold. I think he has a **fever**.
8. My brother feels pain in his ear. He has **earache**.