题目内容
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[单选题]
It was several minutes before I became ________ was happening in the classroom.
A.aware of
B. aware that
C. aware of that
D. aware of what
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题目内容
（请给出正确答案）
如果结果不匹配，请 联系老师 获取答案
题目内容
（请给出正确答案）
A.aware of
B. aware that
C. aware of that
D. aware of what
如果结果不匹配，请 联系老师 获取答案
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A．telephoned
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