TOEFL EXERCISE

1.    Mark Twain ______ the years after the Civil War the "Gilded Age".

Answer      : Called

Analysis     : Subject is Mark Twain, but there is no Verb, and the sentence is a simple past.

2.    Early ______ toes instead of hooves on their feet.

Answer      : Horses had

Analysis     : No Subject and No Verb. So the horses as a subject and had as a verb.

3.    ______ grow close to the ground in the short Arctic summer.

Answer      : Tundra plants

Analysis     : Verb is grow, but there is no Subject. So the Tundra plants as a subject.

4.    In 1867, ______ Alaska from the Russians for $7.2 million.

Answer      : The United States purchased

Analysis     : No Subject and No Verb. So the The United States as a subject and purchased as a verb.

5.    Between 1752 and 1750, New England witnessed an increase in the specialization of ______

Answer      : Occupations

Analysis     : Because after of should be noun.

6.    The large carotid artery ______ to the main parts of the brain.

Answer      : Carries blood

Analysis     : Subject is Carotid artery, but there is no Verb. So the Carries blood as a Verb.

7.    ______ radio as the first practical system of wireless telegraphy.

Answer      : Marconi developed

Analysis     : No Subject and No Verb. So the Marconi as a subject and developed as a verb.

8.    In 1975, the first successful space probe to ______ beginning to send information back to Earth.

Answer      : Venus was

Analysis     : Subject is first successful space, but there is no Verb, so the was as a verb while Venus is the object of preposition from to.

9.    The two biggest resort ______ Arkansas are Hot Springs and Eureka Springs.

Answer      : Towns in

Analysis     : Arkansas is not Subject, but only object of preposition. Subject is two biggest resort are not complete, while the verb is are, because towns is a plural subject and in line with the verb are.

10.  NASA’s Lyndon B. Johnson Space Center ______ control center for the Mercury, Gemini, and Apollo space flights.

Answer      : Was the

Analysis     : Subject is NASA’s Lyndon B. Johnson Space Center, but there is no Verb, so the was the as a Verb.