Mr.Nathan is off for a whole day.
I'm so tired I could sleep for a whole day.
我真是累极了,简直可以睡上一整天.
My baby went thirsty for a whole day.
我的孩子一整天没有喝到水.
But we had a whole day alone.
但我们有一整天的时间单独在一起.
The homework took me a whole day.
家庭作业花了我一整天的时间.
可见,做时间状语的时候,就要加for .
其它情况,不用.跟时态无关.
知识在于点滴积累,更在于不懈努力.
——另外,正在冲正确率,请记得采纳,