It is said that the early European playing-cards ______ for entertainment and ed
题型：不详难度：来源：
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 |
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答案
| A |
解析
试题分析：这个句子中，it是形式主语，后边that引导了一个主语从句，主语从句中主语the early European playing-cards与动词design之间是被动关系，且是发生在过去的事情，故用一般过去时的被动语态，故选A。
点评：英语中的时态主要由动词的形式来表现，因此在学习英语时态时，要注意分析动词形式及具体语境，想象在那个特定的时间动作所发生的背景，这个动作是经常性动作、一般性动作、进行性动作、完成性动作还是将要发生的动作。语态主要是看动词与主语之间的关系。 |
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