It is generally believed that teaching is ___________it is a science.
| A．an art much as | B．much an art as | C．as an art much as | D．as much an art as |
You'd better________ the instructions so that the children could understand them.
| A．decline |
| B．reduce |
| C．concentrate |
| D．simplify |
I'd like to take________of this opportunity to thank you for your help.
| A．advantage |
| B．case |
| C．use |
| D．care |
The head of the company promised to deal with matters of this sort________he returned to his office.
| A．until |
| B．while |
| C．by the time |
| D．the moment |
I was not________ that I had cut myself until I saw the blood all over my hand.
| A．astonished |
| B．annoyed |
| C．conscious |
| D．afraid |
—Why do you choose to work in an international travel agency?
—Well，you know，English is my ________，so it is my best choice.
| A．strength |
| B．talent |
| C．ability |
| D．skill |