题目内容
【题目】—I phoned you at 5:00 yesterday afternoon, but nobody answered me.
—Sorry. I the flowers in the garden at that time.
A. was wateringB. am wateringC. waterD. will water
【答案】A
【解析】根据答句中的at that time 可知描述的是过去某时正在进行的动作,故用过去进行时。故选A。

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