21.  Since the new term began, the time that I spent on problems and home work was more than that I had a rest---the necessary rest.I always go to bed late at night, and get up much earlier than any others.

22.  Second, we can go out of campus to make any social service for people, by thus , we can get knowledge increasingly.

23.  English is a new kind of language to us, we haven't any idea about it before, so it's difficult for us to learn it .

24.  As long as we have strong will and repeatful practises , we will sucess in doing any thing.

25.  Like any others , it must be review everyday.

26.  In a word, the saying of "practice makes perfect" is our rule of doing any things.

27.  Hardly any people don't want to have a healthy body and live longer.

28.  With the development of economy and any other fields, both life expectancy and Infant mortaility are also alternative greatly.

29.  If we want to do good at any subject and to do well with anything, we must practice constantly.

30.  Besides study, it shows in any way .