题目内容：

1 

—  Can I help you?

—  Yes. Can I have a look at the red skirt?

—  Which one? ________1_______

—  The big one.  ________2_______

—  Let me see. Oh, it’s 50 dollars.

—   Oh, it’s too expensive (贵的).

—   How about the blue one? It’s cheaper (更便宜的). _____3_______

—   Let me have a look. Very good. _____4___

—    _____________5___________