—The light in his office is still on. Do you know ?
—In order to prepare for tomorrow’s meeting.
| A．if he works hard | B．why he stays up so late |
| C．that he is so busy | D．when he will stop working |
I think teenagers ____________ to choose their own clothes.
| A．be allowing | B．should be allowed | C．be allowed | D．should allowed |
---Lucy _________ really quiet but now she is very outgoing.
---Yes. She has changed a lot.
| A．use to be | B．used to | C．used to be | D．be used to be |
---How do you learn English?
--- I learn English__________ making flashcards..
| A．on | B．for | C．by | D． with |
---What would you do if _________ eighty-year-old man fell down in front of you?
----I don’t know. Maybe I will help him.
| A．a | B．an | C．the | D．/ |
As a volunteer of the 2012 London Olympic Games, which sign will you prepare to remind people to keep the environment clean?
A． |
B． |
C． |
D． |