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fell OR had fallen

来源：学生作业帮 编辑：神马作文网作业帮 分类：英语作业 时间：2024/11/21 00:12:22
fell OR had fallen
He off the trees many times before he grew up.
He-- off the trees many times before he grew up.
fell OR had fallen
had fallen
用过去完成时态.