_______ buy your ticket from a ticket machine. There are lots of people there.
There ______ a parents’ meeting tomorrow afternoon.
We should stop people from_____ the street when the light is red.
_______ necessary for us _______ English well.
—Watching TV too much _______ bad for your eyes.—I’ll go to bed right away.
---Would you mind ______ the door? It’s cold outside.--- OK. I’ll do it right now.