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
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