31. I am not good at maths, but English
    改進(jìn): I am good not at mathematics but at English/ My strength is not
    mathematics but English.
    32. Who is the proper person to make up his minds about children's
    leisure time?
    改進(jìn): Who is the proper person to plan children's leisure time?
    33.It is children who clear about their interests.
    改進(jìn): It is children who are clear about their own interests.
    34. I agree the latter idea.
    改進(jìn): I agree with the latter idea.
    35. Many people dissatisfy with the status quo.
    改進(jìn): Many people are dissatisfied with the status quo.
    36. So I feel breathe more comfortably now.
    改進(jìn): So I feel more comfortable now when I breathe.
    37. People should learn knowledge no matter how old they are.
    改進(jìn)：People should learn no matter how old they are/ People are never
    too old to learn.
    38. No one knows all the things.
    改進(jìn): No one knows everything.
    39. I want to live in a quiet place to admire peaceful life.
    改進(jìn): I want to live in a quiet place to enjoy peaceful life.
    40. Each form of having friends has its advantages
    改進(jìn): Each way of choosing friends has its advantages.
    41. I was admitted to a key university for which few dared to sign up.
    改進(jìn): I was admitted to a key university to which few dared to apply
    42. Luckily, he recognized an American professor.
    改進(jìn): Luckily, he knew an American professor.
    43. They will learn the bad habits.
    改進(jìn): They will develop bad habits.
    44. In this continued process, people make progress.
    改進(jìn): In this cycle, people make progress.
    45. Lastly, higher education is equal to higher salary.
    改進(jìn): Lastly, higher education means higher salary.