1 . I like summer, _________ (and / but) I can’t swim.

2 . Lots of children like J. K Rowling, ______ she wrote many famous books. (     )

A．so

B．but

C．because

3 . You should be patient ______ you want to do something well. (     )

A．so

B．or

C．if

4 . Keke likes playing the piano, ______ she doesn’t like playing the violin. (       )

A．but

B．and

C．so

5 . Which ruler is longer(更长的), this one ______ that one? (     )

A．but

B．or

C．and

6 . Bob only ate some sandwiches ______ he doesn’t like hamburgers. (     )

A．and

B．but

C．because

7 . —I ______ visit my grandma tomorrow. (       )
—Why not?
—______ tomorrow is Friday. I will go to school.

A．won’t; Because

B．will; Because

C．won’t; So

8 . —Playing ping-pong is exercise. Is it easy? (     )
—No. _______ I want to learn.

A．And

B．Or

C．But

9 . Lily had a cold yesterday, ______ she’s got a fever today. (     )

A．and

B．or

C．because

10 . Tom is tall now. ______ he was short then. (     )

A．And

B．But

C．Or