Mr. Teranushi is my best friend.

Every morning, I recite the Lord's Prayer.

I completely disagree with the OP's opinion.

What is the main clause of this sentence?

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.

I went to see a movie by myself.

He has a competitive spirit that does not allow even one defeat.

He finished all his work all at once.