.A modern city has been set up in ____ was a wasteland ten years ago.
| A．what | B．which | C．that | D．where |
With nothing ______to burn, the fire became weak and finally died out.
| A．leaving | B．left |
| C．to leave | D．leave |
To the great ______ of the young writer, his first book sells well after it was published in May.
| A．silence | B．respect |
| C．satisfaction | D．congratulation |
The time she has devoted in the past decade ______ the disabled is now considered to be very valuable.
| A．helping | B．to help |
| C．to helping | D．for helping |
—Do you still remember the days ______ we spent in the countryside ten years ago?
—Yes，I'll never forget the experience.
| A．that | B．when | C．on which | D．what |
All the universities have duty to ______ their students ______ of the quick development of the scientific world.
| A．make；known | B．have；understood |
| C．keep；informed | D．find；involved |