He stays in the library most of the day;
When Lenin was in Petersburg, he stayed in the library all day and read many books.
4. Later Lenin was unfortunately arrested, but he still often wrote to ask his family to try to borrow books for him;
He was very happy when he heard that the prison library could borrow books.
6. It often borrows books from the prison library;
7. In prison, Lenin was locked up for 14 months, and 14 months reading in the library.