some students should be allowed to have Friday afternoons off to volunteer and help others求翻译啊

问题描述:

some students should be allowed to have Friday afternoons off to volunteer and help others求翻译啊

应该允许一部分学生在周五下午参加志愿者活动以便帮助他人。

可以允许一些学生周五下午放假志愿去帮别人。

一些学生需要被允许在星期五的下午离开去做志愿者来帮助别人.