单项选择题

I have found some articles ______ the harmful effects of drinking.

A．being concerned
B．concerned
C．to concern
D．concerning
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单项选择题
______ we went swimming in the river.
A．The day being very hot
B．It was a very hot day
C．The day was very hot
D．Being a very hot day
单项选择题
Mary is the kind of person who always seems to be ______ a hurry.
A．on
B．in
C．with
D．for
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