◎ 题干
—It’s a little bit cold today, but you have sweat all over.
—Yes, I _______ around the city for almost three hours.
A.have hikedB.was hikingC.am hikingD.have been hiking
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“—It’s a little bit cold today, but you have sweat all over. —Yes, I _______ around the city for almost three hours.A.have hikedB.was hikingC.am hikingD.have b…”主要考查了你对  【可数名词及其单复数】【动名词】【表语从句】【缩写与简写】  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。