_____ of our classmates are good at basketball.
| A．Three quarters | B．Three fourth |
| C．Third four | D．Thirds quarters |
—Chris, could you help me __________my dog while I'm on holiday?
—Sure. I'll take good care of it.
| A．think about | B．ask for |
| C．look for | D．look after |
_________have a try again? I’m sure you can do it.
| A．Why not | B．How about |
| C．What about | D．Why don’t |
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 |