— Who is in the reading room? The lights are all on.— ___________.
#16751
A
Nothing
B
None
C
No one
D
No
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A chair made of steel is stronger, though costs much more, than _____ made of wood.
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A
that
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one
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On average, the footprints discovered are 14 to 18 inches long, 5-9 inches wide and much larger than _____ of a human.
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that
B
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