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 ofshavingsfriends has its advantages.
    改進(jìn): Each way of choosing friends has its advantages.