--- When did you buy this computer? It looks so new.--- I it for only a couple of days.My sister bought it for me as a birthday present.
We all find _________ important to do what the teachers tell us.
--Who teaches you Japanese? --I teach _________.
--Did you enjoy your stay in Beijing , Mrs Black? --Yes, I had __________wonderful time.
A talk on chinese history _____ in the school hall next week.
The math problem is really difficult for us_________.