Studies of children throwing have revealed that two- and three-year-olds
A. throw while stepping forward with the opposite foot.
B. throw with body rotation and full arm range.
C. are unable to throw a ball of any size.
D. throw mainly with their forearms, and little or no footwork or body rotation.
When you start indicating what YOU THINK the answers are to all these questions, someone will be more inclined to help you.
And if you're studying to become a teacher, please stop trying to cheat. The last thing we need in this country is another sub-standard teacher.