高等继续教育 / 英语语法
正确率:100%
题型描述: 单选题
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
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
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