knock off book on the floor还是knock over book on the floor

knock off book on the floor还是knock over book on the floor a book under the desk on the floor,on the floor修饰desk还是什么? Whose is the book on the floor? knock on;knock at;knock over;knock Just now Tom ______(knock)my English book onto the floor whe a book on the floor 和 a book is on the floor有什么区别? book,the,picked,the,up,on,floor,Paul 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. someone find book on the floor 哪里错了 She found a book ____(lie) on the floor. I f什么 a book on the floor