◎ 题干
It is said that the early European playing-cards ______ for entertainment and education.
[     ]
A. were designed
B. have designed  
C. have been designed  
D. were being designed
◎ 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“It is said that the early European playing-cards ______ for entertainment and education.[ ]A. were designedB. have designedC. have been designedD. were bein…”主要考查了你对  【一般过去时的被动语态】  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。