17. The higher the standard of living and the greater the national wealth, the
________.
(A)greater is the amount of fossil fuels is used
(B)greater amount of fossil fuels is used
(C)amount of fossil fuels is used is greater
(D)greater the amount of fossil fuels used
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統計: A(10), B(88), C(7), D(67), E(0) #2942254
統計: A(10), B(88), C(7), D(67), E(0) #2942254