Cho dạng đúng của từ trong ngoặc.
1. What's wrong with you? Why are you so _____________ ? (happy)
2. We were all __________ with the results. (please)
3. We have to think _____________ about what we do next. (serious)
4. _____________ in diet is the way to good health. (modernate)
5. He went to the doctor because he had a _____________. (stomach)
6. The cold usually lasts for a few days and then ___________. (appear)