◎ 题干
The two boys _____ late yesterday.

[     ]

A. are all
B. are both
C. were all
D. were both
◎ 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“The two boys _____ late yesterday. [ ]A. are all B. are both C. were all D. were both …”主要考查了你对  【不定代词】【一般过去时】  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。