Pictures:

What 5 letter word becomes shorter when you add 2 letters to it?

The word 'short'.

988

Why did Arlene bring lipstick and eye shadow to school?

She had a make-up exam.

957

When Bobby threw a ball as hard as he could, why did it just come back to him?

He threw it up in the air.

989

What happened to the magician driving down the street?

He turned into a driveway.

966

What do you call a train carrying bubble gum?

A chew-chew train.

959