题目内容
31.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
A
练习册系列答案
相关题目
题目内容
31.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
A