Put the verbs in brackets into the correct form and read the joke. Two boys...{to argue} when a man ...{to come up} to

Two boys were arguing when a man came up to them. The man asks, \"Why are you arguing?\" One boy answers, \"We found a ten dollar bill and decided to give it to whoever tells the biggest lie\". \"You should be ashamed of yourselves\", said the man. \"When I was your age I did not even know what a lie was\". The boys gave the ten dollars to the man.