hamster

"Many children enjoy having hamsters as pets because they are small and relatively easy to care for. "

"His sudden appearance surprised me."

"In biology class, we learned that dogs (Canidae family) are further classified into different groups, like the subfamily Caninae, which includes wolves, foxes, and jackals. "

"The reasons are various."

"He listened carefully to his mother's concerns, feeling sorrowful about her disappointment. "

"the male species"

"My brother and I both attend the same high school. "

"The teacher praised the students' similar answers on the math quiz. "

"The wave crested just before it crashed onto the shore. "

"Farmers often worry about rodents like mice and rats eating their crops. "

"My brother privately expressed his concern about the project to our father. "

"Where does this document belong?"