—We gas.I'm afraid we can't go much further.
—I know there's a gas station ahead.Sure it will last us until we get there.
A. are running out
B. have run out
C. are running out of
D. have run out of
网友回答
A. are running out
B. have run out
(答案→)C. are running out of
D. have run out of
解析：考查时态和动词词组的用法。此处为现在进行时表示“将来”的概念，表示“汽油快用完了”。run out意为“用完，耗尽(某物)”，后面跟宾语时须加上of，故选C项。