单项选择题

I suppose you are not serious, ______

A．do I
B．don't I
C．are you
D．aren't you
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单项选择题
The children lined up and walked out______.
A．in place
B．in condition
C．in order
D．in private
单项选择题
This composition is good______some spelling mistakes.
A．except
B．besides
C．except that
D．except for
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