With an appropriate preposition: (1) think his failure in the ex

With an appropriate preposition:
(1) think his failure in the experiment resulte____ his carelessness. (2)This car is very expensive. You have to pay half a million dollars ____ it.
【正确答案】：from;for
【题目解析】：【考点点击】本题考查介词的选择。【要点透析】 result from表示原因,意为“因为,源于”。 pay for sth.意为“为……付钱”。