◎ 题干
Although all of the apples ________, none of them ________ good.
[     ]
A. have been tasted; taste
B. have been tasted; are tasted
C. have tasted; taste
D. have tasted; are tasted
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“Although all of the apples ________, none of them ________ good.[ ]A. have been tasted; tasteB. have been tasted; are tastedC. have tasted; tasteD. have …”主要考查了你对  【一般现在时】【现在完成时的被动语态】  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。