7.
补全对话。 A:Can I help ? B:Yes, please. I want a sweater. A: do you want? B:Blue. A: you are. B:Can I it ? A:Of course. do you this sweater? B:It's very pretty. is it? A:It's 100 yuan. B:That's too expensive.
My father has nice sungIasses. They're five yuan. They‘re very cheap. My mother has a pretty scarf. I have an umbrella. It's 50 yuan. It's very expensive