You may use the room as you like ________ you clean it up afterwards.
| A．as far as | B．so long as | C．in case | D．even if |
We expected 50 people to take part, but the_____number was a lot higher.
| A．average | B．correct | C．usual | D．actual |
When asked _________ they needed most, the kids said they wanted to feel important and loved.
| A．what | B．why |
| C．whom | D．which |
_________ is known to us all is that the 2008 Olympic Games will take place in Beijing.
| A．It | B．What |
| C．As | D．Which |
The companies are working together to create _________ they hope will be the best means of transport in the 21st century.
| A．which | B．that |
| C．what | D．who |
Could I speak to __________ is in charge of International Sales, please?
| A．anyone | B．someone |
| C．whoever | D．no matter who |