This garden was nurtured using plenty of manure.

He is afflicted with a serious illness.

My school building is very big.

This cake is very sweet.

A drop of water fell from the cup.

He is good at playing the electric guitar.

The human immunodeficiency virus destroys the immune system, making the body unable to fight disease.

It is important to learn about the prevention and treatment of the human immunodeficiency virus.

That plan is too impractical, it's difficult to implement.

His plan was so unrealistic that no one could believe it.