Here’s how the problems match with the advice:

1. He has a sore throat. - **g. He shouldn't drink cold water.**
2. Jack is tired. - **d. He should have a rest.**
3. He loves computer games. - **f. He should limit the time.**
4. The boy has a toothache. - **a. You should wear a hat.**
5. I get sunburn. - **h. She should keep her face clean.**
6. She has some spots on the face. - **c. She shouldn’t eat less junk food.**
7. She puts on weight. - **c. She should eat less junk food.**
8. Jane has an allergy. - **b. She shouldn’t eat seafood.**

Please let me know if you need further assistance!