单选题 — How much ______ the shoes?
—Five dollars ______ enough.

【正确答案】 A

【答案解析】[解析] How much are the shoes?根据语法一致原则，用复数。Five dollars is enough．则是根据意义一致，把five dollars看作是整体，表示时间、距离、金钱等等往往看作整体。