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1. 
The speed of light is ____ the speed of sound.
A.
faster
B.
much faster than
C.
the fastest
D.
as fast
2. 
The use of detail is ____ method of developing a controlling idea, and almost all students employ this method.
A.
more common
B.
common
C.
most common
D.
the most common
3. 
____ in Stevenson’s landscapes, the more vitality and character the paintings seem to possess.
A.
The brushwork is loose
B.
The looser brushwork
C.
The loose brushwork is
D.
The looser the brushwork is
4. 
Certain types of snakes have been known to survive fasts more as a year long.
A.
Certain types
B.
have been known
C.
fasts
D.
as
5. 
The grizzly bear, which can grow up to eight feet tall, has been called a more dangerous animal of North America.
A.
which
B.
up to eight feet
C.
been called
D.
a more
6. 
Climate, soil type, and availability of water are the most critical factors than selecting the best type of grass for a lawn.
A.
availability
B.
are
C.
than
D.
the best
7. 
Peter Abelard, a logician and theologian, was the controversialest teacher of his age.
A.
a logician and theologian
B.
the
C.
controversialest
D.
of his age
8. 
Protein molecules are the most complex than the molecules of carbohydrates.
A.
are
B.
the most
C.
than
D.
molecules
9. 
The leek, a member of the lily family, has a mildest taste than the onion.
A.
leek, a member
B.
mildest
C.
than
D.
onion
10. 
The widely used natural fiber of all is cotton.
A.
The widely
B.
used
C.
fiber
D.
is