◎ 题干
I think        of the materials(材料) I listened to at the
beginning of the exam        easy.
[    ]
A. three fourths;is                 
B. third four;are
C. three fourths;are              
D. three fourth ;are
◎ 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 thinkof the materials(材料) I listened to at thebeginning of the exameasy.[ ]A. three fourths;is B. third four;areC. three fourths;are D. three fourth …”主要考查了你对  【分数】【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。