◎ 题干
— Why are the two students standing at the gate of the teachers'office?
— They _____ to each other in class and _____.
A. have whispered; are punishing
B. had whispered; were punished
C. whispered; are being punished
D. are whispering; were being punished
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“— Why are the two students standing at the gate of the teachers'office?— They _____ to each other in class and _____. [ ]A. have whispered; are punishing B.…”主要考查了你对  【一般过去时】【现在进行时的被动语态】  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。