Every four years, many athletes from different countries ____the Olympic Games.

A. take part in　　　 B. participate in

C. join　　　 D. both A and B

Every four years, many athletes from different countries ________ the Olympic Games.

1. A.
   join
2. B.
   join in
3. C.
   attend
4. D.
   take part in

 Every four years, many athletes from different countries _____ the Olympic Games.

A. take part in     B. participate in       C. join         D. both A and B

Every four years, many athletes from different countries ________ the Olympic Games.

[　　]