◎ 题干
A group of middle school students spent two weeks _____ the jungle.
A.trekking through B.trekking across C.to trek across D.to trek through
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“A group of middle school students spent two weeks _____ the jungle. A.trekking throughB.trekking acrossC.to trek acrossD.to trek through…”主要考查了你对  【实义动词的单数第三人称形式】【实义动词】【动词短语】  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。