单选题 6.  —Do you regret paying five hundred dollars just for the oil painting?
    —No. I would gladly have paid ______ for it.
【正确答案】 A
【答案解析】 句意“你不后悔在油画上面画了五百多美元?不后悔，即使双倍价格我也愿意支付”。固定搭配。