\^-^ / exercise 1. atmosphere, destroy, recycled, layer, believe cfss the ozone layer. “greens” in conservation. a hole in the ozone could increase skin cancer. cutting down tropical rainforests increases the amount of carbon dioxide in the plastic cannot be exercise 2. вставьте for и since. sally's been working here april. we've known each other years. i haven't seen tom monday. they've been married ten years. she’s been teaching english 2006. we haven't had a holiday a long time. i haven't seen my granny five years. mike has been reading this article half an hour. she has held two jobs she graduated.