单项选择题

It ______ William Hewlett and David Packard who started their hi-tech firm in 1939.

A. has been



B. are
C. was
D. were
<上一题 目录 下一题>
热门 试题

单项选择题
The company had about 20 notebook computers, but only one third () used regularly. Now we have 60 working all clay long.

A. is
B. are
C. was
D. were
单项选择题
By the end of this year, the output of our company ______ by about 20%.
A. will raise


B. will be risen
C. will have risen



D. has been risen
相关试题