．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 |
The train went round and was soon________．
| A．out of order | B．out of sight |
| C．lose sight of | D．catch sight of |
It is ________to protect the traditional culture.
| A．importantly | B．of great importance |
| C．of very importance | D．of important |
Watching too much TV________your eyes.
| A．does harm to | B．is harmful for |
| C．does wrong to | D．do harm to |
Progress ________so far very good and we are sure that the work will be finished on time.
| A．was | B．had been |
| C．has been | D．will be |
There is no need to tell him about it.He seems________the fact.
| A．to know | B．to have known |
| C．knowing | D．having known |