3.A.Very soon the baby started crying.

　B. In ________ ___________ the baby _________ ________ cry.

2.A.He spent thirty minutes in finishing his homework. My God.

　B._____ _________ him ________ _________ _________ ________ finish his homework.

1.A.The children are having a good time in the park now.

　B. The children are__________ ____________ in the park _________ _________ ___________.

e.g.　 1. I got a letter from my brother last weekend.

　　 = I heard from my brother last weekend.

2.His little sister could dress herself when she was three years old.

　 = His little sister was able to dress herself at the age of three.

这类题目首先要注意比较上下两句，找出需要改动的地方，运用同义词或同义词组进行转换。还要注意把握两句的时态、数的单复和主谓一致等。

Exercises:

37. well　　 38. money　　 39. surprised　　 40. like

27. say　　 28. needed　　 29. hearing　 30. true

　　　　　 D) 31. playing　　 32. found　　 33. while　　 34. music　 35. living　　 36. began　　

17. away　 18. failed　　 19. open　　 20. moving

　　　　　 C) 21. close　　 22. How　　 23. started　 24. call　 25. which　　 26. seen　　

9. became　 10. smart

　　　　　 B) 11. alone　 12. his　　 13. drank　　 14. stop　　 15. arrived 16. myself　

53. such后加a　　 54. take → to take　 55. What → How

50. any → some　　 51. what → how　　 52. difficulty → difficult