4. _____ can be done _____ been done.
| A．All; have | B．All that; have | C．All; has | D．All that; has |
We often share the_____ goals and interests.
| A．same | B．common | C．positive | D．different |
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 |