摘要： [2010·河南开封三模]With more forests being destroyed, huge quantities of good earth each year. A. is washing away B. are being washed away C. are washing away D. is being washed away 38B考查动词的时态和语态及主谓一致.当quantities作主语时.谓语动词用复数形式.根据句意可知:大量的沃土正在被冲刷.

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