---You have just 15 minutes to get to the airport.
---All right. I guess I can ______.
| A．reach it | B．make it | C．finish it | D．get it |
The river ______ badly now. We must do something to stop the waste water from being poured into it.
| A．is polluting |
| B．pollutes |
| C．is being polluted |
| D．has polluted |
In my opinion, ______ wild animals should be allowed to live in ______ wild.
| A．/; / |
| B．the; the |
| C．/; the |
| D．the; / |
The days are gone _______ physical strength was all you needed to make a living. (2011 .天津)
| A．when |
| B．that |
| C．where |
| D．which |
The school shop, _______ customers are mainly students, is closed for the holidays. (2011 .四川)
| A．which |
| B．whose |
| C．when |
| D．where |
We live in an age _______ more information is available with greater ease than ever before. (2012．浙江)
| A．why |
| B．when |
| C．to whom |
| D．on which |