题目内容
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
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 60 working all day long.
A. is B. are C. was D. were
D