新编英语语法教程第20讲练习参考答案
Ex. 20A
1. /
2. /
3. /
4. /
5. /
6. /
7. to
8. / ；to
9. to 10. to 11. / 12. /
13. / 14. to 15. to 16. /
17. (to) 18. / 19. / 20. (to)
21. / 22. (to) 23. / 24. / ；to
25. to 26. / 27. to 28. to
29. / ；/ 30. / 31. (to) 32. /
33. to 34. / 35. / 36. /
37. / 38. / ；/ 39. / 40. / ；/
Ex. 20B
1. begging
2. coming
3. running
4. (doing)
5. playing
6. marrying
7. buying
8. improving
9. meeting 10. eating 11. having seen 12. lending
13. speaking 14. staying 15. smoking 16. increasing 17. having made 18. travelling 19. following 20. restraining Ex. 20C
1. write, beginning
2. doing, doing
3. leaving, going
4. having, told
5. being separated
6. building
7. speak, being 8. getting, closing 9. going 10. belling, say
11. trying, answer 12. increasing 13. becoming 14. trying, make
15. having heard 16. dislike, living 17. try, discuss, speaking 18. teaching 19. increasing 20. travelling