用正确的介词填空,完成句子
问题描述：
用正确的介词填空,完成句子
Please listen( ) the teacher carefully.
Please don't throw rubbish ( )the floor.
Look( )Peter,he is playing basketball( )the playground.
( )the library,we should be quiet
we shouldn't sit( )the desk,we should sit ( )the chair
答
to
on
at
on
In
on
in