TOEFL Structure 1

From 1949 onward, the artist Georgia O' Keeffe made New Mexico ______.

• her permanent residence was

• where her permanent residence

• permanent residence for her

• her permanent residence

Just as remote-controlled satellites can be employed to explore outer space, _______employed to investigate the deep sea.

• can be robots

• robots can be

• can robots

• can robots that are

In ______ people, the areas of the brain that control speech are located in the left hemisphere.

• mostly of

• most

• almost the

• the almost of

Stars shine because of _______ produced by the nuclear reactions taking place within them.

• the amount of light and heat is

• which the amount of light and heat

• the amount of light and heat that it is

• the amount of light and heat

________ is not clear to researchers.

• Why dinosaurs having become extinct

• Why dinosaurs became extinct

• Did dinosaurs become extinct

• Dinosaurs became extinct

Although many people use the word "milk" to refer cow's milk, _______ to milk from any animal, including human milk and goat's milk.

• applying it also

• applies also

• it also applies

• but it also applies

The first transatlantic telephone cable system was not established _______ 1956.

• while

• until

• on

• when

_______ no two people think exactly alike, there will always be disagreement, but disagreement should not always be avoided; it can be healthy if handled creatively.

• there are

• why

• that

• because

Drinking water ________ excessive amounts of fluorides may leave a stained or mottled effect on the enamel of teeth.

• containing

• in which containing

• contains

• that contain

In the 1820's physical education became_______ of the curriculum of Harvard and Yale Universities.

• to be part

• which was part

• was part

• part