根据句意和首字母提示完成句子。 1. I have a toothache, I have to see a d _____ _. 2. —What's the matter with you? —I have a s ______ throat. 3. It's important for us to have a healthy lifestyle, to eat a b ______ diet. 4. My English isn't good enough, so I must try my best to i ______ it. 5. When you have a headache, please lie down and r ______ . 6. She is tired, she should go to bed early, she s ______ go to the party. 7. Would you please get me some water? I'm a little t ______ . 8. I didn't go to school u ______ I was seven years old. 9. A good l ______ is good for our health. 10. My grandpa had a cold yesterday, I h _  __ he is better now.