4.It is said that the early European playing-cards ____ for entertainment and education. 
#105262
A
were being designed
B
have designed
C
have been designed
D
were designed
推荐题目
My uncle ______ until he was forty –five. 
#105255
A
married
B
didn’t marry
C
was not marrying
D
would marry
She put the sugar and butter into a bowl and ________ them up.
#105139
A
mixed   
B
put
C
compared
D
joined
Scientists have many theories about how the universe ___ into being.
#105258
A
came
B
was coming
C
had come
D
would come