— Could you please in the room? — Oh, I’m sorry.A. not smokingB. not smokeC. not to smoke
He teaches ______ English there.
We shouldn’t use plastic bags. We should take our own bags ___.And we also should walk ___driving to the supermarket.
Our teacher has chosen some students as volunteers, Mary, Sally and me.
ORBIS doctors invite local doctors and nurses _____ to learn new skills.
We didn’t go to the concert because we couldn’t to buy the tickets to it.