This is a junior school. You should go to a senior school （ ） girls of your age.
（A）for
（B）about
（C）from
（D）to
Our purchase decisions are generally made （ ） the basis of price, delivery dates, and - after - sales service.
（A）with
（B）over
（C）in
（D）on
I have an appointment （ ） Dr. Smith, but I need to change it.
（A）to
（B）off
（C）with
（D）from
