The rapid growth of the world’s population over the past 100 years have led to a great increase in the acreage of land under cultivation.
A.have
B.to a
C.increase
D.under cultivation

In general, novels are thought of extended works of prose fiction depicting the inner and outer lives of their characters.
A.of extended
B.depicting
C.lives
D.characters

Televisions are now an everyday feature of most households in the United States, and television viewing is the number one activity leisure.
A.an everyday
B.most households
C.television viewing
D.activity leisure

_______ (50)
A.thought
B.care
C.help
D.attention

_______ (48)
A.forecasters
B.systems
C.conditions
D.patterns

_______ (45)
A.like
B.unlike
C.as
D.same

_______ (46)
A.power
B.length
C.strength
D.force

_______ (43)
A.blew
B.flew
C.spread
D.ran

_______ (41)
A.what
B.when
C.which
D.where

In the beginning, radios cost much more than they do today because they turned out slowly and expensively by hand.
A.In the beginning
B.than they do
C.turned out
D.by hand