cataloguing

"She is arranging the books on the shelf by color. "

"The new math homework was easily understood by the students. "

"We usually have family dinner in the afternoon. "

"He arrived home for two days."

"The problem with the project is that the current design flaws are already existing. "

"The library has a catalogue of all its books, organized by author and title. "

"Paying attention in class ensures you understand the lesson. "

"The students are subject to strict rules about late arrivals. "

"There are eight planets in the solar system."

"The local library has a wide selection of books for children and adults. "

"The government's spending on education increased this year. "

"The librarian helped my son find the book he needed for his school project. "