— Tom, do you want to be a teacher_____________ a doctor?

---- _____ does your school have the parents’ meeting ? ---- Twice a year.

We stayed there and watched the opera ______ an hour.

I want to walk to Qianmen Street to buy something, _______ I think walking all the way is tiring.

— I can’t stand the weather. I would like to take off my shirt.  — Hehe…the weather report says it will be much        tomorrow.