一、补全对话 A:_______________?B:Yes,please.I'd like a pair of shoes.
A:_______________?
B:Black.
A:Sorry.We don't have any shoes in black.___________?They are very nice.
B:Well.I like blue.___________________?
A:They are 55 yuan.
B:OK.I'll take them.
A:_____________.
B:Thank you.