we ____(be) friends for the whole ten years答案是have been 我觉得应该是have been being不太明白

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• we ____(be) friends for the whole ten years答案是have been 我觉得应该是have been being
• we ____(be) friends for the whole ten years答案是have been 我觉得应该是have been being不太明白
• I don't have any e___ time.I've been quite busy these days
• 'You have been busy 这是什么时态?