◎ 题干
Are you ______ your son has difficulty in studying at school?
A.aware ofB.aware thatC.knowing thatD.aware of 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“Are you ______ your son has difficulty in studying at school?A.aware ofB.aware thatC.knowing thatD.aware of that…”主要考查了你对  【therebe句型】  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。