Are there math books?改为单数形式是什么?

Are there math books?改为单数形式是什么? there books are HOW MANY BOOKS ARE THERE Why are there many books? your sofa math are on the books 连词成句 The math books are on the desk.改为否定句 改为否定句,The math books are on the desk. 改为否定句 The math books are on the desk. The math books are on the desk.改为否定句 There are no books on the shelf. There are many books in the l____. There are English books.(改为单数形式) there are three books的问句是什么 Look!Are ( ) your books over there? Her books are here and there. There are many interesting books in my there are()()() books in this room how many books are there 答什么