1 . The man______is standing on the playground is my maths teacher．

A．when

B．which

C．who

D．where

2 . _____ is even important _____ as the earth cooled down, water began to appear on its surface.

A．That, which	B．What, that
C．What, what	D．It, that

3 . Today, when scientists examine mummies, they wear special clothing for protection _____ they breathe in harmful gas.

A．even though

B．in case

C．until

D．unless

4 . Don’t doubt the possibility we declared yesterday ____ we will surely win the game in spite of all the difficulties.

A．that

B．which

C．when

D．whether

5 . Well try to get as close as possible to the animals,      theyre dangerous,      we can take some really good photographs.

A．so that, as if	B．as if, even though
C．even though, so that	D．though, as if

6 . When _____ what is most important in life, some choose money, ____ others choose friendship.

A．to decide; and	B．to decide; because
C．deciding; /	D．deciding; while

7 . The little baby, if _________ by other people, will wake up and cry.

A．disturbing

B．disturbed

C．to be disturbed

D．being disturbed

8 . You should wear a shirt with long sleeves ________ you get burnt in the sun.

A．in case	B．so that
C．although	D．because

9 . There is hard evidence___________George has something to do with the murder.

A．which	B．what
C．why	D．that

10 . John invited about 40 people to his wedding, most of 　　　 are family members.

A．them	B．that
C．which	D．whom