Most people on this island are recreational fishers, and _______, fishing forms an actual part of their leisure time.

1. A.
   accidentally
2. B.
   purposefully
3. C.
   obviously
4. D.
   formally

Most people on this island  are recreational fishers, and ________, fishing forms an actual part of their leisure time.

A. accidentally                  B. purposefully                 C. obviously               D. formally

Most people on this island are recreational fishers, and       , fishing forms an actual part of their leisure time.

A．accidentally             B．purposefully             C．obviously            D．formally