May I show you my proof of qualification?

He was researching old records at the public records office.

I bought a new study aid for my math exam.

He is playing the character of Hatsu.

There are 10 rabbits in my garden.

Each class conducts lessons in their respective classrooms.

The center of that table is sunken.

He boxed his younger brother's ears for his mischief.

In physics, the study of the 'nucleus' at the center of an atom is important.

This book is my favorite.