—What would you wish to do if you were a college student again?
—That's very hard to say, but I wish I___________ when I was a college student.
| A．has not studied biology | B．did study biology |
| C．had studied biology | D．studied biology |
- Who should be responsible for the accident?
- The boss, not the workers. They just carried out the order.
| A． | as told | B． | as are told | C． | as telling | D． | as they told |
_____ a moment and I will go to your rescue.
| A．Go on | B．Hold on | C．Move to | D．Carry on |
Nancy enjoyed herself so much ______ she visited her friends in Sydney last year.
| A．that | B．which | C．when | D．where |
_____ is known to us all is that the 2008 Olympic Games will take place in Beijing.
| A．It | B．What | C．As | D．Which |
In spite of repeated wrongs done to him, he looks _____ to people greeting him.
| A．friendly | B．lively | C．worried | D．cold |