Ⅰ. 根据句意和首字母提示,用本单元所学单词填空。
1. —I have a toothache.
—I think you should see a d.
2. My sister had a bad cold. She c all night and couldn't fall asleep.
3. —I'm not feeling well after having cold milk. What should I do?
—Why not put something warm on your s?
4. Teng Fei often uses ice bags to cool down when he has a f.
5. If you don't feel well, please a cold drinks.

Ⅰ. 1. dentist 2. coughed 3. stomach 4. fever 5. avoid

Ⅱ. 用括号内所给词的适当形式填空。
1. Accidents will happen if you are (careful).
2. —I'm (suffer) from a bad headache. What should I do?
—You should lie down and rest.
3. If you have a toothache, (remember) to brush your teeth carefully.
4. My brother ate too much last night. That makes his stomachache (bad).
5. We should avoid (play) phone games for too long. It's bad for our eyes.

Ⅱ. 1. careless 2. suffering 3. remember 4. worse 5. playing