1. run out of 用完；用尽
I didn’t finish writing my test because I ran out of time. (P49)我的试卷没答完，因为没时间了。
要点分析：run out of 多用于完成时和进行时，其主语一般是人。如：
He is running out of money. 他的钱就要花完了。
Give me a cigarette, please. I have run out of them. 请给我一支烟。我的烟抽完了。
1) —All the oil in the world will have _ _________ some day. （2011，湖北十堰）
—Yeah. What shall we use for power at that time?
A. given away B . put away C. ru n out D. set out
