21.  This traditional family can date back to the Stone Age.

22.  It is still like a dream that after working in a company for one year , I become a postgraduate and come back to NanJing University again .

23.  The day of looking back on my learning English, gains and losses coexist.

24.  Stanza 4: assuring his lover that he will leave for a short time but will come back no matter how far it is.

25.  Now, I am back to school as a postgraduate after the summer vacation and have left away from English for more than two months.

26.  Look back to the past, I served as the English representative of the class in my high school and used to act as a volunteer to interact with the teacher in class.

27.  Eight years later, he came back to Paris and became a banker called the Count of Monte and made the three receive the punishment they earn.

28.  But oppressed by the hardship of life, she is forced to go back to Alec to be his mistress.

29.  Eventually, he came back with the bones of the great fish after the storm, safe and sound, which earned respect from others.

30.  On the other hand, I think that we should go back to the original purpose to learn a foreign language--we learn to communicate!