She raised her finger to her lips as _____ for silence.
| A．an idea | B．a mark |
| C．a sign | D．a word |
The machine might break down someday in the future, ____, you can dial this number for help.
| A．in that case | B．in what case |
| C．in which case | D．in whose case |
________ returns first will win the big prize.
| A．Those who | B．Anyone who |
| C．The one whom | D．whomever |
—Let’s go shopping, shall we?
— Wait a minute. I _____ my housework and it won’t take long.
| A．just finish |
| B．am just finishing |
| C．have just finished |
| D．am to finish |
— I’m worried about the coming test!
— ______, you can do it!
| A．Don’t mention it | B．come on |
| C．Well done | D．Not likely |
It seems to some experts that there are only three commonly-used vedio websites in this area: 56.com, Youku.com, Tudou.com and they_______ 90% of the market.
| A．make up | B．put up | C．set up | D．take up |