Please choose the correct ending to complete the given sentence: Brushing teeth: Someone is brushing their teeth with an electric toothbrush. They wear braces so they make sure to scrub all around very well. you

Ending1: can read their lips when they are done. Ending2: can see it is sore because the teeth are getting scrubbed. Ending3: can see the tongue moving around never really being comfortable inside of the mouth. Ending4: can also see the clear toothpaste on their teeth.

Answer format: ending1/ending2/ending3/ending4