a book on the floor 和 a book is on the floor有什么区别?

a book on the floor 和 a book is on the floor有什么区别? a book under the desk on the floor,on the floor修饰desk还是什么? I f什么 a book on the floor Whose is the book on the floor? She found a book ____(lie) on the floor. what is on the floor?there is.A、a book and a baseball and so the is a book shop ()the first floor 填on 还是in the book is on the floor对画线部分提问 1.Tommy's math book is on the floor.对on the floor提问. knock off book on the floor还是knock over book on the floor in the first floor和on the first floor有什么区别 用正确形式填空;He found a book _____ (lie) on the floor.