Our knowledge of computers __________ growing all the time.
| A．be |
| B．is |
| C．are |
| D．were |
This is not my Walkman. It’s _________. Mine is over there.
| A．our | B．hers | C．your | D．my |
—_________ model plane is this?
—I think it’s Jim’s. Look, his name is on it.
| A．Who | B．What | C．Whose | D．Where |
If you _________ your name on the paper, you can get a magazine.
| A．cut down | B．look down | C．turn down | D．write down |
—Which country is the Great Wall in?
—It’s in __________.
—Please don’t throw paper on the ground.
—_________, I won’t.
| A．Excuse me | B．That’s all right | C．Sorry | D．It doesn’t matter. |