1. EXTRA PRACTICE 4. KEY<br />Vocabulary<br />11. g 2. f 3. e 4. a 5. c 6. b 7. d<br />21. e 2. a 3. c 4. b 5. f 6. d<br />31.Toxic, chemicals<br />2.increase, global warming<br />3.spills, pollution<br />4.harmed, fumes<br />5.care about, environmentally-friendly<br />41.under3.over5.multi-<br />2.anti-4.re6.inter<br />51.multi-storey4.anti-social<br />2.underdeveloped5.international<br />3.overworked6.reselling<br />61.environment4.destroy7.decompose<br />2.pollution5.save<br />3.landfills6.recycle<br />Grammar<br />11.is visiting / is going to visit<br />2.will help<br />3.will be<br />4.isn’t playing / isn’t going to play<br />5.will buy<br />6.am going to wear<br />7.aren’t eating / aren’t going to eat<br />2 Possible answers:<br />1.is going to take the dog out soon.<br />2.I won’t get it dirty. / I will return it.”<br />3.they’ll arrive soon.<br />4.is going to rain.<br />5.am going to the dentist.<br />31.will be living4.will have arrived<br />2.will be opening5.won’t be working<br />3.will have finished<br />41.will be celebrating4.will have discovered<br />2.will be travelling5.will have reached<br />3.will have lived<br />51.won’t disappear <br />2.will slow<br />3.will convince<br />4.will be giving / is going to give / is giving<br />5.will be focusing / is going to focus / is focusing<br />6.will be talking / is going to talk / is talking<br />7.will exist<br />8.will have disappeared<br />9.will have dropped<br />10.will become / is becoming<br />