单选题Our food supply _____.&nb

问题补充：

单选题Ourfoodsupply_____.We’dbettergetsomeincasethere’s____left.A.is running out, noneB.has run out of, noneC.is using up, nothingD.has used up, nothing

答案：

A解析本题考查动词的时态和语态。表示快用完不是已用完;后面有特定范围指食物. run out of和use up此处要用被动语态。