1 . I thought we’d be late for the concert, ______ we ended up getting there ahead of time.

A．but

B．or

C．so

D．for

2 . I was glad to meet Jenny again, _______ I didn’t want to spend all day with her．

A．but

B．and

C．so

D．or

3 . Between the two generations, it is often not their age, _________ their education that causes misunderstanding.

A．like

B．as

C．or

D．but

4 . (2017·北京卷·单项填空)—Peter, please send us postcards ________ we'll know where you have visited.
—No problem.

A．but	B．or
C．for	D．so

5 . (2014·北京) Some animals carry seeds from one place to another, ______ plants can spread to new places.

A．so	B．or
C．for	D．but

6 . —Someone wants you on the phone.
—________ nobody knows I am here.

A．Although	B．And
C．But	D．So

7 . It’s not easy to change habits, ______ with awareness and self-control, it is possible.

A．for

B．or

C．but

D．so

8 . There are fewer teaching positions left in big cities, ________at the same time there are shortages of teachers in small towns.

A．or	B．and
C．so	D．for

9 . The little boy won’t go to sleep ________ his mother tells him a story.

A．or

B．unless

C．but

D．whether

10 . It is often said that the joy of traveling is __________ in arriving at your destination ___________ in the journey itself.

A．/ … but

B．/ … or

C．not … or

D．not … but