问题补充:
单选题Largequantitiesofpollutedwater_____intotheseasothatlotsoffishdied.A.is flowingB.was flowingC.are flowingD.were flowing
答案:
D解析 quantity作主语时,谓语动词要与quantity的单复数保持一致, 此处quantity为复数,再由后一句的时态可知
时间:2019-12-23 05:57:40
单选题Largequantitiesofpollutedwater_____intotheseasothatlotsoffishdied.A.is flowingB.was flowingC.are flowingD.were flowing
D解析 quantity作主语时,谓语动词要与quantity的单复数保持一致, 此处quantity为复数,再由后一句的时态可知