1 . This is the small house less than 15 square meters, under _________ roof lives a large family of three generations.

A．which

B．that

C．its

D．whose

2 . The man was walking along the street        he stopped and looked as if                  whether he was going in the right direction.

A．when; seeing

B．when; to see

C．while; seeing

D．while; to see

3 . A forest is usually found _______ heavy rainfall is frequent.

A．there

B．which

C．where

D．because

4 . He doesn’t think the question of ________they are boys or girls is important.

A．if

B．whether

C．which

D．that

5 . There is no doubt ______ international cooperation is key to ______ with cybercrime, as Vinton Cerf has said that the problem of cybercrime is _______ huge that it requires UN to form a special agency to act as an international referee or steward.

A．whether ; doing ; so	B．that ; dealing ; so
C．whether ; dealing ; such	D．that ; doing ; such

6 . The weather turned out to be very good, _______was more than we could expect.

A．what	B．which
C．that	D．it

7 . Great changes have taken place in that school. It is no longer ___ it was 20 years ago, ___ it was so poorly equipped.

A．what, when

B．that, which

C．what, which

D．which, that

8 . They will fly to Washington, ________ they plan to stay for two or three days.

A．where

B．there

C．which

D．when