A modern city has been set up in _______ was a wasteland ten years ago.
| A．what |
| B．which |
| C．that |
| D．where |
Recently a survey _______ prices of the same goods in two different supermarkets has caused a heated discussion among citizens.
| A．comparing | B．compared | C．compares | D．being compared |
The engine of the bus was _________，and the bad weather added to the worries of the passengers.
| A．in vain | B．in good condition | C．out of work | D．out of order |
In some of the war-torn countries temporary homes had to be put up quickly to ___________ the
homeless.
| A．take up | B．take in | C．keep up | D．keep out |
For some time the expert __________ people of the health risks caused by passive smoking. He says he won’t stop until all the smokers around him decide to quit smoking.
| A．is warned | B．is warning | C．has been warning | D．has been warned |
The news _______ Barack Obama won the Nobel Peace Prize is _______ surprised the world.
| A．that；what | B．which；that | C．that；which | D．/；how |