Pictures:

What season is it when you are on a trampoline?

Spring time.

995

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

The word 'short'.

988

Why didn't Joe buy camouflage trousers at the store?

He couldn't find them.

958

How do trash collectors learn their trade?

They pick things up as they go along.

973