She knows a lot about the zodiac signs.

My father got married when he was twenty-nine.

My grandfather is ninety-two years old.

He devoted his life to the research of science.

He is doing research on a new energy source.

He set out on a journey to quest for the truth.

He is doing his best to search for the truth.

My family consists of four people.

I drew a four in mahjong.

Have you checked the timetable for the new semester?