Exercise Skill 1 - 23

----- several unsuccessful attempts, Robert Peary reached the North Pole on April 6, 1909.

• After

• He made

• When

• His

The musical instrument --- is six feet long.

• is called the bass

• it is called the bass

• called the bass

• calls the bass

One problem with all languages --- they are full of irregularities.

• When

• So

• is that

• in case

--- of economic cycles been helpful in predicting turning points in cycles, they would have been used more consistently.

• Psychological theories

• Psychological theories have

• Had psychological theories

• Psychologists have theories

Hospital committees --- spent weeks agonizing over which artificial kidney candidate would receive the treatments now find that the decision is out of their hands.

• Once

• That once

• Have

• Once had

More than half of the children in the 1,356-member district qualifies for reduced-price or free lunches.

• more than

• of the

• qualifies

• reduced-price

Five miles beyond the hills were a fire with its flames reaching up to the sky.

• the hills

• were

• its

• reaching

Kettledrums, what were first played on horseback, were incorporated into the orchestra in the eighteenth century.

• what

• played

• were

• into the

When is a flag hung upside down, it is an internationally recognized symbol of distress.

• is a flag

• hung

• it is an

• internationally

The Museum of the Confederation in Richmond hosts an exhibition which documenting the origins and history of the banner that most Americans think of as the Confederate flag.

• hosts

• documenting

• most Americans

• of as