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(11), B(11), C(211), D(6), E(0) #3804663
統計： A(11), B(11), C(211), D(6), E(0) #3804663
