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

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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
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

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

isn't 时间一般都用单数

应该是可数吧,都有数字又days了

这里的25 days是指时间,是不可数的isn't

isn't 因为在这25天是一个整体