阿摩線上測驗
105. The keynote speaker provided _______ insights into the future of renewable energy during the conference.
(A) value
(B) valuation
(C) valuable
(D) values
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統計： A(6), B(8), C(152), D(4), E(0) #3804663
統計： A(6), B(8), C(152), D(4), E(0) #3804663
