1 . Nobody can go back and start a new beginning, ______ anyone can start now and make a new ending.

A．for	B．and
C．but	D．so

2 . Life isn’t always beautiful, ________ the struggles make you stronger and the changes make you wiser.

A．or

B．so

C．but

D．for

3 . He had a great desire to have a home of his own, ______ he had always lived with his grandmother.

A．or

B．and

C．so

D．for

4 . 1 think we'd better keep to the subject,       we'11 waste our time．

A．and

B．or

C．but

D．so

5 . I hate to admit it, _____ I think I was wrong.

A．and

B．but

C．or

D．so

6 . Dad thinks I should study to be a doctor，____ I’m not interested in medicine.

A．so

B．and

C．but

D．for

7 . Hotels fill up fast during the busy tourist season, __________it is necessary for tourists to make reservations in advance.

A．or

B．so

C．for

D．but

8 . James was enjoying the art show, _________ his wife wanted to go home.

A．or	B．for
C．so	D．but