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In place of the great trees which had been growing there for centuries, patches of green had begun to appear in the blackened soil.
网校学员微信用**在学习英语零基础直达大学六级全能畅学卡【现金奖励班】时提出了此问题，已有1人帮助了TA。
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助助Vivian
同学你好，该知识点来自沪江网校《英语零基础直达大学六级全能畅学卡【现金奖励班】》的课程，想要更系统的学习，欢迎进入课程学习。不仅可以和更多的同学一起学习，而且还有老师、助教随时的学习指导和知识点解答哦。
同学你好，学习不要死记硬背。“过去完成时一般是有明显的时标志词的”但不是绝对的
这句话的前半句已经提示了事情发生在过去，which had been growing there这是过去完成进行时，表示事情的状态从过去一直存在。
因此后半句用了过去完成时，这样是没问题的
祝学习愉快
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英语零基础直达大学六级全能畅学卡【现金奖励班】
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