Overthepastfewyeas,thefarmershav

发布时间：2020-07-09 11:11:44

Over the past few yeas, the farmers have had a ________ of good harvests which helped to improve their living standards.













A.series












B.set











C.type











D.pile

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A解析导解：series of意为“一系列”，此处指“一个接一个”的丰收．
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