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Toefl Structure Test 51

Choose the word or phrase that best completes the sentence.
Questions 1 - 5 of 18

1. ___, some of the Earth’s interior heat escapes to the surface.

A. A volcano erupts
B. A volcano whether erupts
C. A volcano erupts it
D. If a volcano erupts

2. In 1914 a bronze tablet _____ Harriet Tubman was placed at the entrance of the Cayuga Country Courthouse in Aubum, New York.

A. honored
B. for honor
C. in honor of
D. was honoring

3. Upon hatching, ________.

A. young ducks know how to swim
B. swimming is known by young ducks
C. the knowledge of swimming is in young ducks
D. how to swim is known in young ducks

4. Perhaps the oldest theories of business cycles are ________ that linked their cause to fluctuations of the harvest.

A. whatever
B. everything
C. those
D. them

5. Trace minerals are ________ are elements needed in greater quantities.

A. as important to healthy human tissue as
B. most important to healthy human tissue
C. to healthy human tissue as important
D. important to healthy human tissue