We are focusing on the research and development of new products.

I conducted a research project as a summer vacation homework.

He acted according to my instructions one by one.

He understands the importance of learning.

He is majoring in psychology.

Gaku is my best friend.

He has a deep interest in archaeology.

The first day of the month is the beginning of a new month.

I have been to France once.

His first choice of school is the University of Tokyo.