These are few funny jokes for elementry ESL students...

Why didn't the skeleton go to the party?
--------- Because he had no-body to go with!

What did the traffic lights say to the car?
--------- Don't look now. I'm changing!

Why do cows have bells?
--------- Because their horns don't work!

For more jokes check out: http://www.englishclub.com/esl-jokes/index.htm