The house was on the verge of collapse.

He has a firm grip on the situation.

The motor of the car stopped working.

The stadium has a capacity of 50,000 people.

That is not altogether bad.

The brain is a complex organ.

She put a necklace around her neck.

The rock is hard and cannot be broken.

The period of the dinosaurs lasted up to 65 million years.

Exposure to sunlight can cause skin damage.