问题
选择题
| 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 |
答案
答案：D
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| 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 |
答案：D