Tom isn’t _____ home, he is _____ his classroom.

Have you heard of _________ about Jeremy Lin (林书豪)?—Yes. He did quite well in the last NBA basketball match.

Are you going to Tom’s birthday party?—_________.I might have to work.

I don’t know ______ watch this is. Do you know? ——It might be Gao Lei’s.

Can you tell me _______ I should wear for the party tonight?—A blue dress, I think. It’s suitable for a party.