21.  So I set goals to improve my ability , targets as follows.

22.  So I have to set a new plan for my English study.

23.  When the new semester comes it is essential for me to set a higher goal.

24.  So it is bright to set a new plan for my English study at the beginning of the new semester.

25.  If you want to go to someplace, you can set out at anytime and go to anyplace.

26.  As the new semester comes, I determine to obtain the ability to complete some fundamental science and technology papers independently and read some professional publications, like the Nature, to set a base for my further study.

27.  Because of the importance of English, I should set a clear goal for English study in the future.

28.  In order to improve my English, setting a clear goal is a task which brooks no delay.

29.  At the beginning of the new semester, it's always a good idea to set a new plan for our english learning.

30.  So a new plant needs to be set to improve my English.