◎ 题干
I wonder when they ___ for Beijing. I will go to the train station to see them off when
they ______.
A.leave, will leaveB.will leave, leave
C.will go, leaveD.go, leave
◎ 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“ I wonder when they ___ for Beijing. I will go to the train station to see them off whenthey ______.A.leave, will leaveB.will leave, leaveC.will go, leaveD.go,…”主要考查了你对  【一般现在时】【过去进行时】【过去完成进行时】  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。