21.  "Since I don't have too much work to do here, can you help me borrow some books from the library?

22.  What kind of books do you prefer?

23.  During the following weeks, I borrowed some famous masterpieces for her and every time she returned those books to me which had already been carefully packaged in the bag.

24.  Teachers still grade the test paper due to books and standard answers.

25.  My plan is as follows\

26.  I think reading more English books or magazines is useful.

27.  I had read hundreds of books from literature to science, both in Chinese and English, and I used to read English papers regarded to tumor, stem cell and the regulation of gene expression.

28.  After I am a graduate student of NanJing University, I see some students reading the books about going abroad.

29.  At that time, I liked reading English books, watching English films, talking to people in English and listening to English songs.

30.  Thirdly, reading some original English books can promote reading level.