31、I am not good at maths，　but English　

    改進：　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：　Who is the proper person to plan children’s leisure time？　

    33、It is children who clear about their interests.　

    改進：　It is children who are clear about their own interests.　

    34、I agree the latter idea.　

    改進：　I agree with the latter idea.　

    35、Many people dissatisfy with the status quo.　

    改進：　Many people are dissatisfied with the status quo.　

    36、So I feel breathe more comfortably now.　

    改進：　So I feel more comfortable now when I breathe.　

    37、People should learn knowledge no matter how old they are.　

    改進：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：　No one knows everything.　

    39、I want to live in a quiet place to admire peaceful life.　

    改進：　I want to live in a quiet place to enjoy peaceful life.

    40、Each form ofshavingsfriends has its advantages.

    改進：　Each way of choosing friends has its advantages.