单项选择题

No culture exists in . It all comes from someplace. Ancient customs were modern one time.

A．vacuum
B．emptiness
C．blank
D．space
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单项选择题
The Internet users visiting our website are young people between the age of 13 and 20.
A．most
B．almost
C．mostly
D．at most
单项选择题
Walk another block and cross the traffic lights, you will see the museum right the left.
A．by
B．in
C．on
D．for
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