問題詳情
10 Please turn off the light. We should save__________ ; otherwise, the bill might go up again.
(A) engine
(B) electricity
(C) elevator
(D) exhibition
(A) engine
(B) electricity
(C) elevator
(D) exhibition
參考答案
答案：B
難度：簡單0.821782
統計：A(7),B(83),C(1),D(9),E(0)
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