40 If we do not conserve energy, ____ indulge ourselves in overconsuming all kinds of product, our planet may no longer sustain our life some day.
(A) and besides
(B) and even though
(C) but instead
(D) but never
詳解 (共 2 筆)
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indulge (使)沉溺於;(尤指)...
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If we do not conserv...