◎ 题干
     the red switch on the left and the flying machine will swiftly go up into the air and      its journey.
A.Press, beginsB.Press, beginC.Pressed, beginsD.To press, to begin
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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 red switch on the left and the flying machine will swiftly go up into the air and its journey. A.Press, beginsB.Press, beginC.Pressed, beginsD.To press, to …”主要考查了你对  【therebe句型】  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。