问题描述：
一小时十分钟用英语怎么说
My brother and I often do our homework for about 70 mintes.（同义句转换）
My brother and I often do our homework for _______ ________ _________ _______.
My brother and I often do our homework for about 70 mintes.（同义句转换）
My brother and I often do our homework for _______ ________ _________ _______.
问题解答：
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