(a) to play (b) to eat (c) to help (d) to do
(a) to eat (b) to play (c) to make (d) to sing
(a) to watch (b) to read (c) to jump (d) to cook
(a) to talk (b) to bake (c) to smell (d) to sing
(a) to sleep (b) to watch (c) to cook (d) to study
(a) to write (b) to drink (c) to watch (d) to walk
(a) to jump (b) to read (c) to go (d) to talk
(a) to bake (b) to write (c) to talk (d) to meet
(a) to listen (b) to run (c) to go (d) to talk
(a) to work (b) to write (c) to talk (d) to think
Answer Keys:
(41) A; (42) A; (43) B; (44) B; (45) D; (46) C; (47) C; (48) B; (49) A; (50) C