Question

1. when something is in motion, it moves from place to another. 2. they see a ball lying on the ground. 3. aaron ______ the ball.

Explanation:

1. The first sentence describes the basic concept of motion where an object changes its position.
2. In the second - sentence, "lying" is the correct form to describe the ball's state on the ground.
3. For the third sentence, a verb is needed to complete the action related to Aaron and the ball. Examples of possible verbs could be "kicks", "throws", "picks up" etc.

Answer:

1. No fill - in required as it is a complete statement.
2. lying
3. (e.g., kicks, throws, picks up)