【点拨】用光,耗尽
【辨析】run out(of), give out和use up
这三个短语都有“用光、用尽”的含义。
① run out是不及物动词短语,多用于时间、金钱或物品的耗尽,后面不能跟宾语;run out of是及物动词短语,其后可以跟宾语,可与use up通用。
② give out含有“耗尽、筋疲力尽”之意,是不及物动词短语,有时可与run out通用。
③ use up意为“用完、耗尽”,是及物动词短语,常用人作主语。
【小试身手】用以上短语的适当形式填空。
1. We must act now because time is .
2. After a long walk in the forest, my strength .
3. What shall we do if our food supplies ?
4. I have my ink. Could you lend me some?
Key:1. running out 2. gave out 3. run out / give out 4. run out of / used up