TOEFL Review Exercise (Skills 1-18)

_____ the deepest valleys and canyons on the Earth.

• In the Pacific Ocean with

• In the Pacific Ocean

• The Pacific Ocean

• The Pacific Ocean has

In the United States, the participation of females in the labor force _____ from 37 percent in the 1965 to 51 percent in 1980.

• it jumped

• jump

• jumping

• jumped

Some composers, such as Richard Wagner, have felt that _____ the action of the opera too much and have written operas without them.

• arias interrupt

• interrupt arias

• the interruption of arias

• areas of interruption

Water stored behind a dam can used to drive turbines.

• stored

• dam

• used

• drive

Our universe may continue to expand as it gets colder, empty, and deader.

• continue

• expand

• gets

• empty

Every form of matter in the world are made up of atoms.

• form

• are

• made up

• atoms

The lens and cornea are supply with nutrients and oxygen by the aqueous fluid.

• lens

• supply

• nutrients

• aqueous

Dodge City, laid out in 1872, owed both its prosperity and its famous to buffalo in its early years.

• owed

• famous

• its

• years

The amount of two kinds of cholesterol in the blood have been shown to have an effect on the risk of heart attack.

• two kinds

• have

• shown

• effect

By the time Noah Webster reached his mid-twenties, he had already publish an elementary speller.

• reached

• his

• publish

• elementary