The research is so designed that once _____ nothing can be done to change it.
| A．begins | B．having begun | C．beginning | D．begun |
Gary Locke , a Chinese-American, once______ as the governor of Washington for 8 years and now is U.S. Commerce Secretary．
| A．had worked | B．worked | C．is working | D．has been working |
The latest model of camera can brings the object into focus, with which even a child can shoot very well．
| A．instantly | B．automatically | C．steadily | D．randomly |
It seems to some experts that 56. com, youku. com and tudou.com ___90% of the video market in this area.
| A．make up | B．put up | C．set up | D．take up |
---I am afraid I don’t quite follow you .
---Let me make it ______. We do not want you here .
| A．plain | B．absolute | C．original | D．moral |
I fell asleep while working on this paper_______the computer on.
| A．as | B．for | C．over | D．with |