Ann, _____ the lights when you leave the classroom.
| A．turn on | B．turns on | C．turns off | D．turn off |
—How long have you lived in this town?
—_____ 2001.
| A．Since | B．In | C．To | D．Until |
There are five people in the room, but I know _____.
| A．both of them | B．none of them |
| C．all of them | D．neither of them |
Don’t give up _____ you will never succeed.
| A．and | B．but | C．while | D．or |
Trees can stop the sand _____ towards the rich farmland in the south.
| A．moved | B．to move |
| C．from moving | D．moves |
—Can’t you stop making so much noise? I really can’t _____ it.
—I’m terribly sorry for giving you so much trouble.
| A．keep | B．stand | C．hear | D．make |