Read the introduction to a narrative essay entitled "The Challenge of Recycling." My friend Carol and I decided to volunteer to help out in our town's recycling program. I [WOL] that a lot of people don't think about recycling. They just [WOL] the empty bottle or can in the general trash. Which verbs best fill in the blank? - know, throw - knew, threw - will know, will throw - have known, have thrown