单项选择题

This office building was built ______ around 2002.

A．sometime
B．sometime
C．some times
D．sometimes
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单项选择题
I'm always early in the office, ______
A．be not I
B．am not I
C．aren't I
D．isn't I
单项选择题
Daniel didn't want to play second, ______ to his elder brother.
A．piece
B．instrument
C．music
D．string
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