题目内容：

A:"Can i help you?"B:"Yes,please.I want a pair of shoes."A:"How about this one/ones/pair?"
B:"It/They look/looks nice.How much is it/are they?"
A:"It is/They are nine dollars."

优质解答

A:"Can i help you?"
B:"Yes,please.I want a pair of shoes."
A:"How about this pair?"
B:"They look nice.How much are they?"
A:"They are nine dollars."