_________ we know, food gives us energy.
| A．As | B．Like | C．For | D．Of |
I’m trying to sleep. Would you mind ________ the music?
| A．turn down | B．turning down | C．to turn down | D．to turning down |
Tom enjoys _________ computer games.
| A．play | B．playing | C．to play | D．plays |
The Olympic Rings _________ the five parts of the world.
| A．stand on | B．stand for | C．stand | D．standing |
They used ________ basketball in the park.
| A．play | B．to play | C．playing | D．to playing |