B) Complete the sentences with the given pronouns in their proper forms. 用括号中所给代词的适当形式完成句子，并说明其句子成分。
1. I couldn't help . (my) 用作:
2. If we take good care of , we'll get better soon. (our) 用作:
3. My friend's mother cooked everything . (her) 用作:
4. Don't worry, Adam. Just make sure you try your best at school and just be . (your) 用作:

1. myself宾语 2. ourselves宾语 3. herself同位语 4. yourself表语

Ⅴ. A) Read the grammar of modal verbs on page 106 in the appendix of the textbook and sum up the rules. 读课本附录 106 页关于情态动词的语法并总结规律。
小结: 情态动词 should 作“”讲，用以表达职责和义务、提出劝告，而且表述的是自己的主观看法，其后接 。其否定式是 ，意思是“”。
情态动词 could 也用于提出建议，比 语气更为委婉。

应该;应当;可以 动词原形 should not / shouldn't不应当;不该 can

B) Complete the sentences with should, shouldn't or could. 用 should, shouldn't 或 could 填空，完成句子。
1. Mobile phones are useful, but you use them wisely.
2. When you have the flu, you wear a mask when you're outside.
3. If you go to a party, you take some fruit or flowers.
4. —I have a toothache. What I do, Doctor?
—You bite anything hard for now. You eat more sweet food.

1. should 2. should 3. could / should 4. should, shouldn't, shouldn't

Ⅰ. Read Section A, underline the following lexical chunks in the textbook and translate them. Then, choose the proper chunks and complete the sentences with their correct forms. 阅读 Section A，将下列语块在课本上划出来并进行翻译。然后，选择恰当的语块，用其正确的形式完成下列句子。
1. health problems 2. sore throat
3. have a stomachache/backache 4. eat too many sweet things
5. avoid soft drinks 6. wait for a few minutes
7. be more careful 8. clean the area
9. press down on your nose 10. see a dentist
11. runny nose 12. bruised knee
13. suffer from 14. take a seat
15. take one's temperature 16. hurt oneself
17. the back of your throat 18. take some medicine
19. stop... from doing 20. take care of yourself
21. fall off 22. cut oneself
23. enjoy oneself 24. use... wisely
25. what's more 26. instead of
27. I have a , so I need to drink more water.
28. If you eat too many sweet things, you may have .
29. He because he ate some bad food.
30. You should if you have a toothache.
31. She her bike and hurt her knees.
32. In fact, you should by eating healthy food.

1. 健康问题 2. 喉咙痛 3. 胃/背痛 4. 吃太多甜食 5. 避免喝碳酸饮料 6. 等几分钟 7. 更小心 8. 清洁(伤口)区域 9. 按压你的鼻子 10. 看牙医 11. 流鼻涕 12. 擦伤的膝盖 13. 受苦;受折磨 14. 坐下 15. 给某人量体温 16. 伤到某人自己 17. 喉咙后部 18. 吃些药 19. 防止……;阻止…… 20. 照顾你自己 21. 从……掉下来 22. 割伤自己 23. 玩得开心 24. 明智地使用…… 25. 更有甚者 26. 代替 27. sore throat 28. health problems 29. had a stomachache 30. see a dentist 31. fell off 32. take care of yourself