選擇合適的介詞填空
in；at； for； to； on； from；over
（1）Now she has e-friends from all
over
over
the world．
（2）The teachers were
in
in
the office just now．
（3）Thirty years ago， Mike's grandpa listened
to
to
the radio．
（4）Mr Liu reads newspapers
for
for
news every day．
（5）She can read and watch news
on
on
the Internet．
（6）Twenty years ago， Mrs Brown made friends
at
at
school．
（7）She bought things
from
from
shops yesterday．
