◎ 题干
同义句改写
小题1:To plant trees every year is necessary for us.
______________for us to plant trees every year.
小题2:Paul left Canada two days ago.
Paul __________________Canada since two days ago.
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“同义句改写小题1:To plant trees every year is necessary for us. ______________for us to plant trees every year.小题2:Paul left Canada two days ago. Paul ______…”主要考查了你对  【零冠词】  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。