The opening sentence is given. Arrange the rest to make a paragraph.

Opening: The school library got a new rule: every student must read one book a month.

P. At first, many students grumbled about it.

Q. But the librarian let each student choose any book at all, even comics.

R. By the end of the year, the library had to buy two new shelves.

S. Soon, students who had never read a book were asking for the next one in a series.