单项选择题

They are ______ a branch office in Beijing.

A．taking up
B．putting up
C．laying up
D．setting up
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单项选择题
Americans have been criticized for placing too much ______ on being on time.
A．emphasis
B．activity
C．bother
D．assistance
单项选择题
My petrol tank was empty so I pulled into a garage to ______ .
A．fill up
B．speed up
C．blow up
D．wind up
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