The company had about 20 notebook computers but only one-third ___________ used regularly. Now we have 60 working all day long.
| A．is | B．are | C．was | D．were |
相关试题
She was so angry at all _____ he was doing _____ she walked out, and closed the door behind her.
| A．that; that | B．what; that | C．what; as | D．what; which |
His _____ English is very good, because he is from Australia, an _____ country.
| A．spoken; English-spoken | |
| B．speaking; English-speaking | |
C．spoken; English-speaking |
D．speaking; English-speaking |
He always takes full _____ of the mistakes made by his rivals(对手) to win the election.
| A．advantage | B．disadvantage | C．advance | D．adventure |
Some researchers believe that there is no doubt _____ a cure for AIDS will be found.
| A．which | B．that | C．what | D．whether |
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