STUCTURE

 Choose the word or group of words that best completes the sentence.

1. Mark Twain _______ the years after the Civil War the “Gilded Age."
   called

   calling

   he called

   his calls
   Mark 1.00 out of 1.00

   
   The correct answer is: called
2. Early _______ toes instead of hooves on their feet.
   horses

   had horses

   horses had

   horses having
   Mark 1.00 out of 1.00

   
   The correct answer is: horses had
3. _______ grow close to the ground in the short Arctic summer.
   Above tundra plants

   Tundra plants

   Tundra plants are found

   For tundra plants
   Mark 1.00 out of 1.00

   
   The correct answer is: Tundra plants
4. In 1867, _______ Alaska from the Russians for $7.2 million.
   purchased the United States

   to purchase the United States

   the United States’ purchase of

   the United States purchased
   Mark 1.00 out of 1.00

   
   The correct answer is: the United States purchased
5. Between 1725 and 1750, New England witnessed an increase in the specialization of _______.
   occupations

   occupies

   they occupied

   it occupied them
   Mark 1.00 out of 1.00

   
   The correct answer is: occupations
6. The large carotid artery _______ to the main parts of the brain.
   carrying blood

   blood is carried

   carries blood

   blood carries
   Mark 1.00 out of 1.00

   
   The correct answer is: carries blood
7. _______ radio as the first practical system of wireless telegraphy.
   Marconi’s development

   The development by Marconi

   Developing Marconi

   Marconi developed
   Mark 1.00 out of 1.00

   
   The correct answer is: Marconi developed
8. In 1975, the first successful space probe to ______ beginning to send information back to Earth.
   Venus

   Venus the

   Venus was

   Venus it was
   Mark 1.00 out of 1.00

   
   The correct answer is: Venus was
9. The two biggest resort _______ Arkansas are Hot Springs and Eureka Springs.
   in

   towns in

   towns are

   towns are in
   Mark 0.00 out of 1.00

   
   The correct answer is: towns in
10. NASA’s Lyndon B. Johnson Space Center _______ control center for the Mercury, Gemini, and Apollo space flights.
    it was at the

    it was the

    was the

    the
    Mark 1.00 out of 1.00

    
    The correct answer is: was the