41. I was admitted to a key university for which few dared to sign up. 改进: I was admitted to a key university to which few dared to apply.

42. Luckily, he recognized an American professor.

改进: Luckily, he knew an American professor.

43. They will learn the bad habits.

改进: They will develop bad habits.

44. In this continued process, people make progress.

改进: In this cycle, people make progress.

45. Lastly, higher education is equal to higher salary.

改进: Lastly, higher education means higher salary.

46. By making friends who are different from ourselves, we can make up for deficiency.

改进: By making friends who are different from ourselves, we can make up for our shortcomings.

47. A wrong decision will bring even worse fact.

改进: A wrong decision will bring even worse result.

48. You spend all your life to fulfill your willing.

改进: You devote all your life to the fulfillment of your dream.

49. Children should be taught disciplines insgroupsto avoid unnecessary lost.

改进: Children should be taught discipline insgroupsto avoid unnecessary loss.

50. I felt alone.

改进: I felt lonely （编辑：雨巷）