根据短文内容，判断下列句子正误。

     Dick wants to buy some new clothes, so he goes to a shop. First he asks for some trousers and puts them on, but then he takes them off and gives them back to the shopkeeper and says, “No, give me a coat instead of(代替) these.” The man gives him a coat and says, “This one costs the same as the trousers.” Dick takes the coat and walks out of the shop with it . The shopkeeper runs after him and says, “You don't pay for (付钱)that coat !” “But I give you the trousers for the coat,”says Dick . “They cost the same as the coat, right?”

    “Yes,”says the shopkeeper, “But you don't pay for the trousers either(也).”

  “Of course I don't,” answers Dick, “I don't take them. I'm not a fool(傻瓜). Nobody gives things back and then pays for them.”

下列各句中划线的成语，使用不恰当的一项是（    ）