◎ 题干
—Have you finished your homework?
—I've done most of it. But the rest ______ too difficult.

A. are
B. has
C. will be
D. is
◎ 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“—Have you finished your homework? —I've done most of it. But the rest ______ too difficult. [ ]A. are B. has C. will be D. is …”主要考查了你对  【系动词】  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。