Food supplies in the flood-stricken area ______. We must act immediately before
题型：不详难度：来源：
Food supplies in the flood-stricken area ______. We must act immediately before there’s nothing left.| A．have run out | B．are running out | C．have been run out | D．are being run out |
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答案
| B |
解析
| 本题考查动词时态和语态。分析题干语境可知，食品供应即将耗尽。run out为不及物动词短语，不能使用被动形式，由此可排除C和D两个选项。B选项为现在进行时态，可以表示将来，符合题意。因此，正确答案为B选项。 |
举一反三
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