Tom, my good friends, Jim and Mike.
The Internet is really to us. We can download a lot of things from it.
Daniel is very modest. He never __________ before his friends.
“If you stop dropping litter, I’ll kiss pig.” the head teacher promised the students at a school meeting.
Look at the boy running on the playground. Is it David? —It ______ be him. I saw him go to the teachers’ office just now.