51. new aren’t you 52. are getting along

53. traffic busy 54. waiting for

55. will you

句型转换

1. Will there be won’t be

2. Did play didn’t play

3. Has done hasn’t done

4. Was making wasn’t making

5. Have they been haven’t been collecting

6. told us to have 7. he could

8. she would her 9. does well in

10. Which season best 11. pass to

12. neither have I 13.It is useful

14. Why not 15. to go

16. the same age 17. too to

18. How long have 19. How soon

20. What should do 21. isn’t it

22. are you 23. will you

24. has he 25. No I haven’t

26. has been collecting