◎ 题干
--- I called you yesterday but you weren’t at home.
--- I ______ flowers in my garden at that time.
A.waterB.am wateringC.wateredD.was watering
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据n多题专家分析,试题“--- I called you yesterday but you weren’t at home.--- I ______ flowers in my garden at that time.A.waterB.am wateringC.wateredD.was watering…”主要考查了你对  【一般现在时】【过去进行时】【过去完成进行时】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。