Key to Exercises(上).docVIP

Key to Exercises Ex.2A 1.come 2.are 3.has/have 4.are 5.are 6.are 7.was/were 8.is 9.coets 10.were 11. are 12. are 13.was 14.are 15.lie 16.were 17. are 18.is 19.is 20.was 21.Has 22.were 23.is 24.is 25. are 26.is 27. are 28.cover, are 29.is/ are 30.was/were Ex.2B 1.were 2.have 3.is, is 4.was 5.were 6.is 7.is 8. are 9.is 10. are, are 11.have 12.are,their,their 13.was,It,was 14.It/They,is/are 15.are,their,they,disapprove 16.were, they 17.was 18.are 19.were 20.were Ex.3A 1.is 2.was 3.is 4.has 5.were 6.means 7.is 8.is 9.is 10.is 11.were 12.sells 13.is 14.are 15. are 16. are 17.is 18.is 19.was 20.provides 21. are 22.was 23.stops 24.is 25.is 26.does 27.produces 28.is 29.is 30.was Ex.3B 1.’s 2. are 3.is 4.are 5. is 6.was 7. is 8.were 9. is 10.’s 11. is 12. is, is, is 13.are 14. is 15.have 16. is 17.are 18.looks 19.are 20.are 21.understand 22.has 23.was 24.have 25.was 26.was 27.are 28. is 29. is 30.was 31. is 32, is/are 33.leaves 34. is/are 35.are 36.are 37. is 38.comes 39. is 40.live 41.are 42.points/point 45.are 46.was 47.is/are 48. is 49.has 50.was Ex.3C 1. is/are 2. is/are 3. is 4.is/are 5.is/are 6.remain 7.is 8.are 9.has/have 10.care/cares 11.v 12.plays 13. is 14.am 15.are/ is 16.was 17. is,has 18.was 19.come 20. is Ex.4A 1.description 2.arrangement 3.attendance 4.peculiarity 5.expectation 6.argument 7.dependence 8.originality 9.exaggeration 10.measurement 11.purity 12.persistence 13.extension 14.statement 15.generosity 16.entrance 17.loneliness 18.forgetfulness 19.happiness 20.seriousness Ex.4B 1.strange sounds 2.foods are 3.chiefs,tribes,their,salmon(s) 4.The runners-up were given pound notes/ The runners-up were each given a pound note. 5.bodies,their heroes 6.nice,tooth-marks 7.Crises,occur,families 8./ 9./ 10.these businesses 11./ 12.fruits are 13./ 14.these are well written 15./ 16.s