Not until________,_________.
| A．did she take off, I realized | B．she took o ff, did I realize |
| C．did she take off, did I realize | D．she took off, I realized |
--- Could we accomplish the task according to the schedule?
--- I doubt that. The problem remains ______ we can get financial aid within this week.
| A．that | B．how | C．why | D．when |
If you want to see Mr. Johnson on Friday morning, make sure he is ______ ahead of time.
| A．approachable | B．accessible | C．available | D．convenient |
I appreciate ______ the opportunity to work in your company two years ago.
| A．giving | B．to give | C．being given | D．to be given |
It is one thing to enjoy listening to good music, but it is quite ______ to perform skillfully yourself.
| A．another | B．other | C．the other | D．others |
The rising house price and the high income tax rate have become the biggest ______ of the ordinary people in China today．
| A．concern | B．influence | C．involvement | D．occupation |