◎ 题干
It was _____ problem that _____ of the students could work it out
[     ]
A. so hard a; a few
B. so hard a; few
C. such hard a; few
D. such a hard; a few
◎ 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“It was _____problem that _____of the students could work it out [ ]A. so hard a; a few B. so hard a; few C. such hard a; fewD. such a hard; a few …”主要考查了你对  【不定代词】【副词】  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。