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
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John’s sister ______ herself with one glass of beer. 
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A
angry
B
happy
C
content
D
pleased
All the    newspapers    the trade talks between China and the United States.
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A
leading;printed
B
leading;reported
C
led;published
D
led;announced