题目内容
6.Farmers were busyharvesting (harvest) rice when we got to the farm.分析 当我们来到了农场时农民们正忙着收割水稻.
解答 答案:harvesting.考查过去进行时态.句意"当我们来到了农场时农民们正忙着收割水稻.".when引导的时间状语从句,从句用一般过去时态,主句收割水稻这件事正在发生,be busy doing sth正忙于做某事.harvest的现在分词是harvesting.答案是harvesting.
点评 本题考查固定用法.be busy doing sth正忙于做某事,要根据主语的单复数选择be动词的单复数.还要注意时态及动词现在分词的变法.
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