If you ever have the _____ to go abroad to work, you should take it.
| A．possibility | B．offer | C．luck | D．chance |
------Would you mind me smoking here?
------- ______. It’s non-smoking area here.
| A．Yes, go ahead | B．I’m afraid I’ve to say yes |
| C．No, please | D．No, you can’t |
Nuclear science should be developed to benefit the people _____ harm them.
| A．better than | B．more than | C．other than | D．rather than |
It is a great pleasure for a woman to ________ the price while shopping.
| A．cut in | B．cut down | C．cut off | D．cut up |
. ______ the ancient Egyptians built the pyramids puzzled people for centuries.
| A．Whether | B．What | C．How | D．Where |
No one but the experts in this field can _____ the difference between them.
| A．recognize | B．speak | C．spot | D．predict |