This is an exciting area of study，_______new applications are being discovered almost daily．
| A．one by which | B．the one where | C．one in which | D．the one by which |
Listen! Do you hear someone __________ for help?
| A．calling |
| B．call |
| C．to call |
| D．called |
She was __________ the result of her interview. When she knew she was the first, she smiled __________.
| A．confused about ； as a whole |
| B．anxious to know ； to her relief |
| C．concerned about ； in whisper |
| D．anxious about ； with relief |
—You still have one hour to wait, so relax.
—How can I relax when I'm so __________ about the interview ！
| A．curious |
| B．anxious |
| C．cautious |
| D．ambitious |
The power failure made __________ difficult for us to complete the task on time.
| A．that |
| B．it |
| C．one |
| D．this |
I promise that everything __________ clear about it next week.
| A．has made |
| B．has been made |
| C．will be made |
| D．will make |