英语翻译
问题描述：
英语翻译
Well,first,it's OK to leave your computer switched on when you're not using it.In fact,you _____leave it on all day if you want.
选can,can't,must还是mustn't
答
can
当然,你不用电脑时也可以让它开着.实际上,只要你愿意,你可以让他整天都开着.