---Why not open the windows to let _____cool air in?
---I’d rather you didn’t. ________air in out town is terribly polluted.
| A．a; The | B．/; The | C．/ ;/ | D．the; / |
There are many inconveniences that have to be ______when you are camping．
| A．put up with | B．put up | C．put off | D．put away |
In the dark street,there wasn’t a single person________she could turn for help．
| A．that | B．who | C．from | D．to whom |
The teacher came in ,________．
| A．a bag in hand | B．bag in hand | C．with a bag in hand | D．bag in a hand |
_______blood if you can and many lives will be saved．
| A．Giving | B．Give | C．Given | D．To give |
二、单选
I want an assistant with ___ knowledge of French and____experienceof office routine．
| A．the…the | B．a…the | C．the…an | D．a…an |