1. 一般过去时；

40.What's the trouble? 41.What's the matter with…? 42.She didn't feel like eating anything. 43.Nothing serious. 44.Have/get a pain in… 45.No problem. 46.Take this medicine three times a day.

IV. 重要语法

31.You must be more careful! 32.You mustn't cross the road now. 33.If you want to cross a street, you must wait for the green light. 34.Please stand in line. 35.You must wait for your turn. 36.If you don't go soon, you'll be late. 37.I don't feel very well. 38.My head hurts. 39.You mustn't eat anything until you see the doctor.

23.Which is the way to ..., please? 24.Turn right/left at the ... crossing. 25.Go on until you reach ... 26.How can I get to ...? Go down/up/along this road. 27.What's the matter? 28.It'll take you half an hour to ... 29.We'd better catch a bus. 30.It may be in ... Ah, so it is

22.I'm happy you like it.

21.So do we.

20.There are a few / a lot of ... / on it.

19.Do you agree? Yes, I agree. / No, don't really agree. I really can't agree.

18.Do you think ...? Yes, I think so. / No, I don't think so.

17.Would you like ...? Would you like to ...?