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
According to the school regulations, anyone who takes a pet is prohibited ______ the classroom.
A．to go into
B．from going into
C．for going into
D．by not going into
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