ItissaidthattheearlyEuropeanplayi

发布时间：2020-07-10 09:29:34

It is said that the early European playing-cards ______ for entertainment and education.













A.were being designed












B.have designed











C.have been designed











D.were designed

网友回答

D解析early暗示该空表示“过去被设计”，应填一般过去时被动语态动词形式were designed。
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