______ spotted owl is in danger of soon becoming extinct

Before the Angles and the Saxons __________ to England, the lberians had lived there.

Children usually turn to their parents rather than ________ for protection from threats in the environment.

______ the intermission, the kids all bought popcorn.

Duke Ellington was a composer, conductor, and pianist ________ ranked as one of the greatest of all jazz figures.

_________ jellies, jams are made by retaining the pulp with the fruit juice.

John Dewey advocated teaching methods that provided teaching experiences for students to participate in _______ material to memorize.

_________ more susceptible to bacterial contamination than other types of meat because it has more surface area exposed to bacterial laden air.

Ina hot, sunny climate, man acclimatizes by eating less, drinking more liquids, wearing lighter clothing, and __________

Electron storage rings _______ in investigations of the structure of materials.

After _____ in his application form, he went to pay the membership fee.

______ are prepared from flour or meal derived from some form of grain.

The javelin used in competition must be between 260 and 270 centimeters __________.

Some monkeys, _______ use their tails in a way similar to a hand.

________ created the donkey and elephant that symbolize the Democratic and Republican parties.

It is possible ________ may assist some trees in saving water in the winter.

John walked by the professor's office _______ would be in.

The janitor refused to unlock the classroom door because he ______ busy.

In the seventeenth century, North America was vast and unconquered ______ only at great cost

The more hemoglobin one has, the more oxygen is carried to _______ cells.

_____ about individuals who really existed and things that actually happened.

Amniocentesis can be used not only to diagnose fetal disorders _____ the sex of the unborn child with 95 percent accuracy.

Most beekeepers have observed ______ at the approach of a thunderstorm.

Before ________ Stephen A. Douglas took part in a series of debates with Lincoln on the slavery issue.

The hibernation takes place only among ____ animals

The rabbit scurried away in fright _______

If the United States had not entered the Second World War, probably the 1940 unemployment rate of 14% ________ still further.

The bark of some species of oak trees yields a substance used in ____ leather

________ he would have been able to pass the exam

Henry Ford revolutionized production management by ________ into small steps on a moving line.