【正文】
Lesson 45 Expensive or On sale much for … ? I will take … … 2. What’ s four plus/and/minis /one? It is … … It equals … … eraser Two yuan How much is this ? Oh that’sexpensive On Sale! Are the erasers on sale ? Yes It’s one yuan How much for An eraser ¥ 1 They’re four yuan Here you are Okay!I’ll take four , Please. ¥ 4 Thank you very much You are wele. Clerk: Can I help you? Mary: Yes, p