Please choose the correct ending to complete the given sentence: Tennis serve with ball bouncing: An introduction comes onto the screen for a video about playing tennis. And man comes on to talk about the lessons that he will be teaching in the video. he

Ending1: shows various examples of the court tennis game that he is participating in. Ending2: swings the racket several times to demonstrate a good form for swinging the tennis racket. Ending3: begins by introducing several tennis sanding techniques and how to handle them as a practice tennis player. Ending4: starts by letting you know when he has finished his tutorial and who and what he teaches.

Answer format: ending1/ending2/ending3/ending4