_____ energy, shut off the hot water after you take a shower.
| A．Save | B．Saving | C．To save | D．Saved |
Why not ______ your teacher for help when you can’t finish ______it by yourself?
| A．ask; write | B．to ask; writing |
| C．ask; writing | D．asking; write |
There is going to be a wonderful party __ the evening ___October 1st, 2009.
| A．in, of | B．on, on |
| C．on, of | D．for, on |
My son want a pet rabbit for long, but I have no time to buy ______ for him.
| A．it | B．that | C．the one | D．one |
We have two rooms _______, but I can’t decide ________.
| A．to live in, to choose which one | B．lived, choose which one |
| C．to live in, which one to choose | D．live, which one |
—I didn’t know this is a one-way street, sir.
—______. Please show your driving license.
| A．I don’t care | B．Sorry, but that is no excuse |
| C．It’s all right | D．I hope so |