— Mr White has been working all the morning with no rest.
— He is a(n) ________ man. He never looks tired.
| A．energetic | B．powerful | C．lovely | D．attractive |
Never before in our country_____.
| A．has such a thing happened | B．such a thing has happened |
| C．has so a thing has happened | D．so a thing has happened |
We wish______ no war and no poverty in the world.
| A．there is | B．there being | C．there to be | D．there be |
Our school had about 20 notebook computers but only one-forth_____used regularly. Now we have 50 working all day long.
| A．is | B．are | C．was | D．were |
I can’t say which wine is best, it’s a(n)___ of personal taste.
| A．thing | B．event | C．affair | D．matter |
It was in the lab___was taken charge of by our teacher____ they did the experiment.
| A．which; that | B．where; which | C．which; where | D．that;where |