In the U.S. more than 60 percent of all high school students who ________ continue their education.

Although southern California is densely populated, ________ live in the northern part of the state.

Waitresses and waiters who serve ________ deserve at least a 20 percent tip.

If water is heated to 212 degrees F. ________ as steam.

The total production of bushels of corn in the United States is ________ all other cereal crops combined.

By the time a baby has reached his first birthday, he should, without the help of an adult, ________ sit up or even stand up.

The sport of hang gliding ________ by the Federal Aviation Administration (FAA).

It is the recommendation of the U.S. Public Health Service ________ all children be vaccinated against a variety of diseases.

Jamestown, the first permanent English settlement in America, ________ in 1607.

________ of the play, 'Mourning Becomes Electra', introduces the cast of characters and hints at the plot.