My major is chemical engineering.

This is my fourth attempt.

He is good at playing Beethoven's Ninth.

I like listening to Beethoven's Ninth.

This is my second attempt.

The Tertiary period was a very important time in the history of the Earth.

He passed the medical school entrance exam on his first try.

He passed the difficult exam.

World War I was a large-scale war that lasted from 1914 to 1918.

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