TOEFL Structure Exercise

... is famous as the home of the U.S. Naval Academy.

• Annapolis

• Because of Annapolis

• Why Annapolis

• Because Annapolis

Some scientists think ... be a planet but a moon of Neptune.

• that Pluto does not seem

• not Pluto

• Pluto that might not

• that Pluto might not

With ... of sophisticated oil lamps, elaborate tools were made to cut the wicks.

• appeared

• the appearance

• the appearance was

• it appeared

Fort Union was the site of what ... principal fur-trading post on the upper Missouri River.

• the

• being the

• was the

• it was the

Since ... commercial risk, it has to appeal to a large audience to justify its cost.

• the face of the movie

• moving faces

• a movie faces

• to face a movie

A current of water known as the Gulf Stream comes up from the Gulf of Mexico, and then ... the North Atlantic toward Europe.

• it crosses

• crossing

• with its crosses

• crosses it

Systems ... the two symbols 0 and 1 are called binary number systems.

• use

• they use

• uses

• using

Genes, ... the blueprints for cell construction, exist in tightly organized packages called chromosomes.

• are

• they are

• which

• which are

The Earth's atmosphere consists of gases ... in place around the Earth by the gravitational pull of the planet.

• held

• hold

• it holds

• the hold

Oscar Hammerstein II collaborated with a number of composers including Jerome Kern, whom ... in writing the musical Show Boat.

• joined

• was joined

• he joined

• joining