◎ 题干
One or perhaps more pages _____.
[     ]
a. is missing
b. has been missed
c. are missing
d. was missing
◎ 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“One or perhaps more pages _____. [ ]a. is missingb. has been missedc. are missing d. was missing …”主要考查了你对  【现在进行时】【主谓一致】  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。