单选题 I"d like to ______ this old car for a new model but I am afraid I cannot afford it.
【正确答案】 A
【答案解析】[解析] 考查动词辨析。正确选项exchange意为“交换”，exchange A for B“用A换取B”。B．convert“使转变，使转化；改变(信仰)”；C．replace“取代，代替”；D．substitute“代替，替换”。