There was a heavy curtain ________ the light.
| A．blocking out | B．preventing from | C．blocking in | D．taking off |
Employees who have worked here for many years will be given _____over newcomers.
| A．preference | B．perfection | C．promise | D．experience |
The present situation is very complex, so I think it will take me some time to _____its reality.
| A．make up | B．figure out | C．look through | D．put off |
The hospital has been set up in ______was a wasteland many years ago.
| A．which | B．that | C．where | D．what |
Not until the motorbike looked almost new ______repairing and cleaning it.
| A．he stopped | B．did he stop | C．stopped he | D．he did stop |
They will start their project _____at helping the poor children to be educated in China’s west.
| A．aims | B．aiming | C．being aimed | D．to aim |