单项选择题

Complaints should be made to a(an) ______ person, who will deal with your problem seriously.

A．troublesome
B．enthusiastic
C．responsible
D．passive
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单项选择题
There's no available food. You can ______ some sliced bread for breakfast.
A．toast
B．fry
C．roast
D．stir
单项选择题
At the meeting next morning, they ______ many problems and discussed them one by one.
A．brought dowr
B．brought out
C．brought about
D．brought up
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