根据句意填单词，首字母已给出。

1. We should brush our t______ every day.

2. If you have a toothache, you must go to see a d______.

3. I'm very t______, I want to drink some water .

4. I have an i______ meeting. I must go now.

5. —Peter. What's the m______ with you?

    —I'm very tired .

6. His temperature is very high. He has a f______.

7. You have a sore throat. You should drink some hot tea with h______.

8. We should try our best to keep the b______ of nature.

9. He is very tired at the m ______. He is sleeping now.

10. —What's wrong with you, Marry?

    —I have a bad s ______.