阿摩線上測驗
44. According to some experts, the supply of fossil fuel will last _____
(A) one more century.
(B) until the end of this century.
(C) indefinitely.
(D) potentially.
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統計： A(0), B(9), C(0), D(0), E(0) #2337119
統計： A(0), B(9), C(0), D(0), E(0) #2337119
