TOEFL Structure (Skills 1-36)

____ in the United States declined from twenty million in 1910 to nine million in the 1970s.

• For a number of horses

• The number of horses

• When the number of horses

• That the number of horses

Because of his reservations about the issue, ____ refused to vote for it.

• who

• and

• which the senator

• the senator

Bats avoid running into objects by ____ high-frequency sounds and listening for echoes.

• the emission

• emitted

• emitting

• they emit

It has been estimated that if we intend to stay above the starvation level, ____ the food supply.

• so we will have to double

• and it must double

• which it must be doubled

• we must double

To determine^(A) an object's force, the mass and^(B) speed of the^(C) object must be measure^(D).

• A

• B

• C

• D

The most common^(A) time for tornados^(B) to occur are^(C) in the afternoon or evening on a hot, humid^(D) spring day.

• A

• B

• C

• D

Automakers Nissan and Ford and several^(A) aerospace research facilities in Great Britain are working^(B) lately to apply active noise cancellation^(C) to entire^(D) cars and planes.

• A

• B

• C

• D

When a country in^(A) an early stage of development, investments^(B) in fixed^(C) capital are vital^(D).

• A

• B

• C

• D

John Chapman became famous^(A) in American folklore as "Johnny Appleseed" after he plants^(B) apple trees throughout^(C) the northeastern part of^(D) the United States.

• A

• B

• C

• D

Inasmuch^(A) he kept mostly^(B) to himself^(C), the author of The Treasure of the Sierra Madre was^(D) known as "the mysterious B. Treuen.

• A

• B

• C

• D