Is this the very material that scientists ______ the 2012 London Olympic Games torch?
| A．used to light | B．are used to lighting |
| C．use to light | D．are used to light |
John invited about 40 people to his wedding, most of ______ are family members.
| A．them |
| B．that |
| C．which |
| D．whom |
（2013·辽宁卷)He may win the competition, he is likely to get into the national team.
| A．in which case | B．in that case | C．in whatcase | D．in whose case |
We have launched another man-made satellite, ______ is announced in today’s newspaper.
| A．that | B．which | C．who | D．what |
Nowadays people are more concerned about the environment _______ they live.
| A．what | B．which | C．when | D．where |
There is no simple answer, _____ is often the case in science.
| A．as | B．that | C．when | D．where |