be in the bed和 be in bed

be in bed 和be in the bed的区别~ be in bed与be in the bed的异同点 in the bed和on the bed tom'father is ill.he is in bed 还是on bed 或是in the bed抑或是at be remain in bed,be in bed,stay in bed的区别 be in bed 与 go to bed的区别是什么 be sike in bed的意思? have to be in bed 和have to go to bed 有什么区别 on bed,on the bed,in bed,at the bed stay in bed 和stay in the bed stay in bed 和stay in the bed的区别 in bed和in the bed有什么区别?