Before you leave the classroom, please the lights.
| A．turn up | B．turn down | C．turn on | D．turn off |
---There is somebody knocking at the door. Who________ it be?
---I’m not sure. It ________ be a postman.
| A．may; must | B．will; can | C．can; may | D．may; will |
It’s clever _____ her to work out _____ many difficult math problems.
| A．for; so | B．of; such | C．of; so | D．for; such |
---How delicious the coffee is!
---That’s right. It will taste ______ with milk.
| A．bad | B．well | C．worse | D．better |
--- Didn’t your brother ________ go to school by bike?
--- Yes, he did. But he ________ walking to school now.
| A．used to; used to | B．use to; used to |
| C．used to; is used to | D．use to; is used to |
There’s no doubt _______ Emily will be the hostess (女主持) of the New Year’s party.
| A．if | B．when | C． what | D．that |