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 .In the country area about one in ten ______ have enough to eat.
A.haven’tB.aren’tC.hadn’tD.didn’t
D
考查时态。句意:这个国家的十分之一的地区没有足够的吃的东西。结合语境可知本句描述的是某种状态,根据谓语动词have可知助动词只能选D,过去时态,本句用现在时态也行,但是不能用完成不能用完成时态。
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