来源：学生作业帮 编辑：百度作业网作业帮 分类：英语作业 时间：2024/06/15 01:31:45
请教个英语单复数的问题
Jim has been away for 25 days.I miss him very much,you know,25 days ___ short.
这里应该填 isn't 还是 aren't
Jim has been away for 25 days.I miss him very much,you know,25 days isn't short.
用单数,这边的twenty -five days看成是一个整体,用单数
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