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Our supply of food is ________ now . We’d better store some .


  1. A.
    running out
  2. B.
    running out of
  3. C.
    run out
  4. D.
    using up
A
短语辨析。run out of 后接物品名词,主语一般是人
run out 一般以物做主语,表示该物以用光,以主动形式表示被动意义
sb. use up sth.
be used up 意义与run out 相同,它本身就是被动形式,主语只能是物。
根据题意,我们的食品供应用完了,主语为物,且为谓语动词的逻辑宾语。故选A。
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