His sister left home in 1998, and _______ever since.
| A．has not heard from | B．had not heard from |
| C．has not been heard of | D．had not been heard of |
I’ll go to the library as soon as I finish what I ___________.
| A．was doing | B．am doing |
| C．have done | D．had been doing |
__________ his happy look on the face, he must have passed the exam this time.
| A．Judging from | B．To judge from |
| C．Judged from | D．Judge by |
Thanks to their hard work, the new bridge has been finished_____________.
| A．behind schedule | B．ahead of schedule |
| C．in front of schedule | D．beside schedule |
___________ to carry out the plan in time, they will make careful prepatations.
| A．Determine | B．Having been determined |
| C．Determined | D．being determined |
The money collected should be made good use ____________ the people in South Asia who suffered a lot in the earthquake and the tsunami (海啸).
| A．of helping | B．to help |
| C．to helping | D．of to help |