S() books are on the dask.

S() books are on the dask. My books are on the shelf. 为什么BOOK+S? Anna's bookS are on the bookcase.一般疑问句 there are some books on the teacher's desk对some books 提问 the boy's books are on the sofa.对the boy's进行提问 Gina's books are everywhere - on her bed,on the sofa and under the chair. There are some books on the teacher's desk改为同义句The teacher _____ _____some books on his desk there are lots of books on the ground.put them on those s( ) ,please The books are on the shelf.对吗? the------- [teacher ]books are on the desk The books< on the sofa> are Nancy`s .怎么对括号的提问? The new English books are on the teacher's desk 如何提问? there are many books on the teacher's desk.the _____are counting____. the books on the shelf _____Tom's good friend用is are填空 There are no books on the shelf. all the books are on these ---(shelf). my books are on the table. 对my books 提问.? the books on the shelf are my sister's.(对划线部分提问)划线部分是：on the shelf