—What can we do to________ bird flu from spreading?
—Try not to buy or eat chickens that have not been checked.
A. prevent B. cause C. discover
相关试题
—_________ 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 |
—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. |
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