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单项选择 适中0.65 引用1 组卷58
At noon, I took a photo of some swans while they ________ on the lake.
A.danceB.are dancingC.dancedD.were dancing
23-24八年级上·江苏镇江·期末
知识点:dance表示过去某一时刻正在发生的动作过去进行时含when、while 答案解析 【答案】很抱歉,登录后才可免费查看答案和解析!