A:Can I help you?
B:Yes ,please.I want a sweater.
A:Wgat color do you want?
B:Blue.
A:Here you are.
B ( how much )is it?
A:Nine dollare.
B:I’ll take it.( thank you )
A:You’re welcome.
仿造
A:Can I help you?
B:Yes ,please.I want a hat.
A:Wgat color do you want?
B:blank.
A:Here you are.
B ( how much )is it?
A:five dollare.
B:I’ll take it.( thank you )
A:You’re welcome.