单项选择题

______ electricity is wasted everyday.

A. Any
B. A number of
C. A lot of
D. These
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问答题
Can the definite article be used for generic reference and the indefinite article for specific reference If they can, give one example for each use.
单项选择题
That definition leaves ______ for disagreement.
A. much room
B. a small room
C. many rooms
D. a big room
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