City planners in St. Paul ________models for building compact towns and cities.

Refrigeration __________food spoilage by keeping temperatures near or below freezing.

Why______to sell products consumers want in order to earn profit?

While reporters listen to a communication,____the points the speaker is making.

Mary Lucia, the top tournament winner in women's hunter,_______eighty-three hunting tournaments from 1930 through 1960.

Every year both big and minor industries ______financial difficulties.

Icy pressing________ less lubricant from a plant than do other procedures.

Every displayed traditional clothes ________ of praise and admiration.

Plants specialists ______ several main types of cultivated roses.