Multi-choice problem: Continue writing the next sentence in this paragraph:

The three dogs run with him in circles around the equipment, and up the stairs. They slide down the slides behind him happily. he


I. shakes the hands of people who help him.
II. laughs and walks toward the camera.
III. does tricks tricks with the dogs as he jumps and flips over slides on a big dusty gym floor.
IV. picks up squeegees and sprays the dogs with them.
II.