This letter became the clue to the incident.

Reading this prohibited book is forbidden by law.

This region was once a colony.

This area was once colonized by a foreign country.

It took him many years to collect all volumes of that book series.

I sent the written document to him.

The size of the new book is 173x105 millimeters.

I plan to go to the city hall tomorrow.

The deadline to submit the application form is next Monday.

That issue is not under my jurisdiction.