单项选择题

A．a close
B．a closed
C．an open
D．an opened
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单项选择题
A．failB．have failedC．passD．have passed
A．fail
B．have failed
C．pass
D．have passed
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one of them will have a museum of real life, where players can find out what existence was like when we only had one world to live in
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