He can also use day pass. I remember it's around 7$ for one day.
-suis(une chinoise);
2001-12-13(#297049@0)
Day pass for single, $7.5, valid Mon-Fri after 9:30 am, Weekend: all day. But I still think a metro pass is very good for new comers.
-maile(FinchEast);
2001-12-13(#297780@0)