This book is a required reading at my school.

His success was an inevitable result.

If the stroke order is incorrect, the characters become difficult to read.

His zodiac sign is Aries.

This information is questionable, so it needs a citation.

Your health is the most important thing.

This issue requires attention.

I went to see a movie by myself.

Watching a movie alone is enjoyable.

His success was a certainty.