He can swim very well he doesn’t want to join the swimming club.A. andB. butC. /D. or

问题补充：

He can swim very well, he doesn’t want to join the swimming club.

A. and

B. but

C. /

D. or

答案：

A. and

(答案→)B. but

C. /

D. or

解析：句意：他可以游得很好，但他不想加入游泳俱乐部。And和；but但是；or或者。根据句意可知该选B。