Are your math books in your desk?中your是否重复?

your sofa math are on the books 连词成句 Are your math books in your desk?中your是否重复? are Your math books in the bookcase?用英文怎么翻译 Are( )your books here? Are those books (your) Are these books ( )(your)? Are they your books?还是Are these your books?为什么? John,are these books----(your) where are those your books? Are there math books?改为单数形式是什么? 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 these are (they)books.those are (your) These are your books.变一般疑问句 are these your books?改为单数形式 Are these your books?肯定回答