Give students about four minutes to find the suitable words and expressions. Then check the answers with the whole class.

　　Suggested answers:

Alternative words and expressions Words and expressions from the text should ought to run away after doing something wrong get away with something to make you thin by eating it slimming foods wish to know about something curiosity get rid of something throw away Alternative words and expressions Words and expressions from the text parts of plants that help food move quickly through the body fibre changing food into something the body can use digestion proper amount of different kinds of food needed for good health balanced diet 　　→Step 2 Leading-in by revision

　　Translate the following sentences and explain how each of these modal verbs is being used in the situations.

　　1. He could hardly support his family before he found the new job.

　　2. Where could/can the boy be now?

　　3. May/Might I come in?

　　4. You may/might catch sight of the sunrise from here when you get up before 5 in the morning.

　　5. You must hurry up or you'll be late.

　　6. Whatever you want, you shall have.

　　7. We should read English aloud every morning.

　　8. He would sit there for hours, doing nothing at all.

　　Suggested answers:

　　1. 他在找到那份新工作前几乎无法养家糊口。(ability)

　　2. 那孩子现在能在哪儿呢？(guessing)

3. 我可以进来吗？(ask for permission)