It is said that the early European playing-cards ______ for entertainment and education
ItissaidthattheearlyEuropeanplaying-cards______forentertainmentandeducation.A.werebei...
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
答案是D 但是design发生在it is said 之前为什么不用完成时呢? 展开
A. were being designed B. have designed
C. have been designed D. were designed
答案是D 但是design发生在it is said 之前为什么不用完成时呢? 展开
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