Our school library£¬along with many other buildings£¬is very different from other schools'.There__1__(be) two computer rooms£¬three art rooms£¬a meeting room and a reading room in the library building.The number of the books__2__(be) large.It was 2,000,000 dollars__3__all the books cost our school.It is such a large amount of money__4__an average family can't afford it£¬right£¿But in my view£¬it is worth it because in the era of knowledge explosion£¬many students have a thirst for knowledge.