根据短文内容,选择恰当的词填在横线上。
Mr. Smart and Mrs. Smart are in a shop. They want (1) ________ (to buy, bought) a dress for Amy. A pink dress looks (2) ________ (beautiful, long), but it’s very (3) ________ (expensive, cheap). It costs 280 yuan. A yellow dress is (4) ________ (expensive, cheap). It (5) ________ (cost) 70 yuan. Does Amy like it? They don’t know.