My great-grandfather used to do farming in the past.

My great-grandfather was a doctor.

My great-grandfather was a doctor.

My great-grandfather was a doctor.

My paternal grandfather once traveled all over Japan when he was young.

The success of this project greatly depends on our flexibility.

There is Christmas in December.

There is Halloween in October.

Let's have lunch at twelve o'clock.

My new residence is near the mountain.