题目内容
The company had about 20 notebook computers but only one third _________ used regularly.
Now we have sixty working all day long.
A.is B.are C.was D.were
D
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题目内容
The company had about 20 notebook computers but only one third _________ used regularly.
Now we have sixty working all day long.
A.is B.are C.was D.were
D