The increasing population in China will have a great _______ on the whole society.
| A． advantage | B．affect | C．difficulty | D．effect |
The retired man donated most of his savings to the school damaged by the earthquake in Yushu, the students to return to their classrooms.
| A．enabling |
| B．having enabled |
| C．to enable |
| D．to have enabled |
He had a wonderful childhood, with his mother to all corners of the world.
| A．travel |
| B．to travel |
| C．traveled |
| D．traveling |
many times, he finally understood it.
| A．Told |
| B．Telling |
| C．Having told |
| D．Having been told |
They use computers to keep the traffic smoothly.
| A．being run |
| B．run |
| C．to run |
| D．running |
at my classmates’ faces, I read the same excitement in their eyes.
| A．Looking |
| B．Look |
| C．To look |
| D．Looked |