Except for certain microorganisms, ... need oxygen to survive.

The Pulitzer Prize has been ... in American literature for more than seventy years.

Fruit is one of the most abundant, nutritious, and … foods a person can eat.

In eighteenth-century, North American printed engravings provided ... of rococo style.

Rodeo is one of ................................................ in the world.

The number of train passangers significantly increases on .................