1 . Jack asked John ______ when he met him in the street.

A．he was going where	B．where he was going
C．where was he going	D．was he going where

2 . I’m very grateful to my high school teachers, without ______ help I wouldn’t be so excellent.

A．whom

B．their

C．which

D．whose

3 . He has ______ little education that he finds it impossible for him to equal ______ important a task.

A．so ;such

B．such ; so

C．so ;so

D．such ; such

4 . 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

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

A．there

B．which

C．where

D．because

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

A．if

B．whether

C．which

D．that