◎ 题干
The gas tank____________ twenty gallons of gas, but now it may____________ only three gallons.
A.holds; containB.holds; be contained
C.is held; containD.is held; be contained
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“The gas tank____________ twenty gallons of gas, but now it may____________ only three gallons.A.holds; containB.holds; be containedC.is held; containD.is hel…”主要考查了你对  【动词短语】【动词】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。