That is impossible. Opportunity doesn’t come knocking twice!
A Stick.
The car because a wheel isn't cary fast but a car is wheely fast.
Ben knocking on this door all morning!
When it falls to the ground, it knocks the 'ell out of it.
Didn't have any hands.. (the real punch line) Knock knock.. Who's there Not Timmy..
Because she didn't have any arms. Knock Knock..who's there..Not Sara.
So they can open doors of opportunity for their students.