When keeping a dog, it is important to regularly exterminate parasites.

The government has decided to invest tax revenue in education and healthcare.

He was caught in the maelstrom of politics.

His actions within this work are very interesting.

A translator's note is attached to this part.

He entered the room.

Day after day, he continued to strive to solve the problem.

The Mesolithic is the era between the Paleolithic and the Neolithic.

He comes from a lineage of hereditary feudal lords.

I started studying for the junior high school entrance exam for junior high school students.