◎ 题干
Reportedly yesterday a group of American soldiers were walking along the road in Iraq when a bomb was _____, three of whom were killed.
A.set aboutB.set offC.set upD.set out
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“Reportedly yesterday a group of American soldiers were walking along the road in Iraq when a bomb was _____, three of whom were killed.A.set aboutB.set offC.set…”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。