This is a special case, it is not usually allowed.

Only our newspaper company has this exclusive scoop.

This is a special kind of plant.

He explained the problem in detail.

He dissolved the paint in water to create a new color.

He opened a new reader and began to read hard.

Please specify your request.

He fought to protect his vested rights.

He tried to conceal the evidence of the crime.

He tried to conceal the truth.