Exercise Skills 1 and 2

Mark Twain ___ the years after the Civil War the "Gilded Age"

• called

• calling

• he called

• his calls

Early ___ toes instead of hooves on their feet

• horses

• had horses

• horses had

• his horses having

___ grow close to the ground in the short Arctic summer.

• Above tundra plants

• Tundra plants

• Tundra plants are found

• For tundra plants

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

Between 1725 and 1750, New England witnessed an increase in the specialization of ___

• occupations

• occupies

• they occupied

• it occupied them

The large carotid artery ___ to the main parts of the brain.

• carrying blood

• blood is carried

• carries blood

• blood carries

___ radio as the first practical system of wireless telegraphy.

• Marconi's development

• The development by Marconi

• Developing Marconi

• Marconi developed

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

• Venus

• Venus the

• Venus was

• Venus it was