She will tell us why she feels so strongly that each of us has a role _____ in making the earth a better place to live in.
| A．to have played | B．to play |
| C．to be played | D．to be playing |
---Why do you look worried?
--- Jane left the company half a month ago. Her work ______ unfinished since.
| A．left | B．has left |
| C．has been left | D．was left |
The new policy is bound to benefit the public. That is why I’m _____ it.
| A．in face of | B．in search of |
| C．in charge of | D．in favor of |
Tom hasn’t been able to quit smoking, but at least he has ______.
| A．cut out | B．cut down | C．cut up | D．cut off |
So lucky was the bird that it just missed_____.
| A．catching | B．to be caught |
| C． being caught | D．to catch |
---Is this the first time you ______ Xi’an? --- No. But ______ here, the city wasn’t so modern.
| A．have visited; the first time I came | B．visited; the first time I came |
| C．have visited; for the first time I came | D．visited; the first time I’ve come |