On Wednesday, the World Health Organization announced that the number of people killed by Ebola has now risen to over five thousand, with more than fourteen thousand ______.
| A．having infected | B．to infect |
| C．infected | D．infecting |
The result is not very important to us, but if we do win, then so much _______.
| A．the best | B．best |
| C．better | D．the better |
I don't believe we've met before, I must say you do look familiar.
| A．therefore | B．although |
| C．since | D．unless |
It is by no means clearthe president can do to end the strike.
| A． | how | B． | which |
| C． | that | D． | what |
"Life is like walking in the snow", Granny used to say, "because every step”
| A．has shown | B．is showing |
| C．shows | D．showed |
Sarah looked atfinished painting withsatisfaction.
| A． | 不填；a | B． | a; the | C． | the; 不填 | D． | the; a |