单选题 I'd like to ______ this old car for a new model but I can't afford it.

【正确答案】 C
【答案解析】本题测试动词近义辨异。rescue：拯救；exchange：交换；replace：更换，替换；convert：转换，常与 to 或 into 搭配。本句大意为：我想把这辆旧车换成新车，但我没钱。