◎ 题干
— We have no time to do it.
— _______ is our trouble.

A. It
B. This
C. Those
D. That
◎ 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“—We have no time to do it.—_______ is our trouble.[ ]A. ItB. This C. Those D. That …”主要考查了你对  【指示代词】  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。