Some large cities have had measures to minimize air ________.

Many factories have to _______ old newspapers by new methods.

Their farms produce rice, crops and dairy_________.

The _______ of these swamps will destroy the mosquitoes breeding places.

We have to _______ our children with food and clothes.

Mr. and Mrs. Jones have been married for ten years. They have no children. They're a ________ couple.

Mary and John spent a night without sleep. They were never still. They spent a ________ night.

Maggie was so surprised that she was unable to speak. She was _______ with surprise.

No trees can grow on that soil. It is ________.

Frank was _______________ about leaving the door unlocked when he went to bed.