A. formal B. informal C. unformal
A. visit B. to visit C. visiting
A. rain B. rains C. will rain
A. with B. to C. for
A. arranging B. to arrange C. to arranging
A. on B. to C. with
A. generous B. kind C. nice
A. top B. tap C. tip
A. time B. timely C. times
A. went B. go C. going