4.It is said that the early European pla
题型:选择题
问题:
4.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
4.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