来自方湘怡的问题
【英语翻译29.Ifwehadtakensucheffectivemeasuresmuchearlier,theriversoseriouslynow.A.isnotpollutedB.wouldnotbepollutedC.hadnotbeenpollutedD.wouldnothavebeenpolluted】
英语翻译
29.Ifwehadtakensucheffectivemeasuresmuchearlier,theriversoseriouslynow.
A.isnotpollutedB.wouldnotbepolluted
C.hadnotbeenpollutedD.wouldnothavebeenpolluted
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2020-05-08 23:19