单项选择题

The chair is not comfortable to sit in. It needs ______.

A．adjust
B．adjusting
C．adjusted
D．be adjusting
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单项选择题
It is reported that the police ______ the case.
A．is looking on
B．are looking into
C．is looking after
D．are looking up
单项选择题
It ______ fine, we decided to have an outing.
A．is
B．was
C．were
D．being
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