摘要： Homework: T: Now let’s discuss what we should do to fight headaches. Example: We shouldn’t work too hard. We must get enough sleep. We must not exercise on an empty stomach. (要求学生用讨论的结果完成表格.作为家庭作业.) How to fight headaches Should Shouldn’t Must Must not 板书设计: I must ask him to give up smoking. You can also get a headache when you exercise on an empty stomach. We can get into the human body and cause diseases. We should often tidy our rooms and sweep the floor. Section C on an empty stomach get into cause diseases nose mouth skin through the

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