It usually takes them more than ten hours to revise for exams.求相似的句子翻译：他们通常要花十多小时复习功课准备考试
问题描述：
It usually takes them more than ten hours to revise for exams.求相似的句子
翻译：他们通常要花十多小时复习功课准备考试
答
They usually spend more than ten hours in reviewing to prepare for exam.