( )1. After the meeting，I ________ to write a report on our next term’s work.
A．set about B．made off with
C．set out D．set off
( )2. If you do not feel well，you should not ________ going to the doctor.
A．pick out B．give off
C．put off D．make out
( )3. It is said that this bridge has ________ for more than three centuries.
A．appeared B．risen C．born D．existed
