1 . I was driving on the highway ________ a car went past followed by a police car, both of _______ must have been running at a speed of 150 kilometers per hour.

A．as; which	B．while; them
C．when; which	D．when; that

2 . In some places women are expected to earn money _______ men work at home and raise their children.

A．while	B．though
C．because	D．but

3 . It’s really very dangerous. One more step, _____the baby will fall into the well.

A．or

B．so

C．but

D．and

4 . Find ways to praise your children often,______you’ll find they will open their hearts to you.

A．till	B．or
C．and	D．but

5 . You have to move out of the way       the truck cannot get past you.

A．so	B．or
C．and	D．but

6 . My English teacher’s humor was ______ make every student burst into laughter.

A．so as to	B．such as to
C．such that	D．so that

7 . Schools in the east tend to be better equipped, ________ those in the west are relatively poor.

A．as

B．while

C．when

D．but

8 . She was about to cry out      she heard her father urgently telling her to keep quiet.

A．while

B．when

C．before

D．after

9 . My father bought me several books, but _____ was interesting.

A．most of them	B．none of them
C．none of which	D．neither of which

10 . They wanted to charge $5,000 for the car, _______ we managed to bring the price down.

A．but	B．so
C．when	D．since