--- ___________ --- Drop in if you have time.
| A．Well, I really have to leave now. |
| B．I wonder if you could let me go now. |
| C．I’d like to go now. |
| D．Do you mind if I leave now? |
I think we all need to help animals live __________.
| A．in time | B．in danger | C．in peace | D．in trouble |
Everyone __________go through the security check（安检） when entering the Bird’s Nest stadium.
| A．can | B．may | C．must | D．might |
I was drawing a horse when Jim __________to my house.
| A．comes | B．came | C．is coming | D．was coming |
Please __________your mobile phone when you are having a meeting.
| A．don’t use | B．doesn’t use |
| C．use | D．to use |
Now computers are very popular and they are much __________than before.
| A．cheap | B．cheaper |
| C．cheapest | D．the cheapest |