-1. Why is grass so dangerous? Because it's full of ---d--!
-2. Why shouldn’t you fundraise for marathons? They just take the money --- ---.
3. What's the difference in an alligator and a crocodile? You’ll see one ----- and one in a -----.
-4. Did you know your pupils are the last part to stop working when you die? They ------.
-5. Who were the greenest Presidents in US history? The ----es.
