They are our books(our画横线）改成一般疑问句

Whose books are they? They are books. ——Whose book are these?——They`re( our )books 为什么是our? They are our books(our画横线）改成一般疑问句 these aren't your books.they are (o )books.根据所给首字母填空 适当形式填空 these books are ------ （our）please .help------(we) to get --------（they） They planted one h_____ trees yesterday. There are more than n_____ books in our bookcase. They are the______(twins) books. They are books 英语疑问句 yes,they are (our) What are {this}?They are English books these are (they)books.those are (your) Are they your books?还是Are these your books?为什么? These are Chinese books.They are (we)books. they are too expensive books!___ ____ the books are 1.they are reading books.2.she is watchin1.they are reading books.2.she is watching TV.3.It is Jack's car.4.No,they are not our pears.怎么提出问句 These are our books改成单数 These are our books.(改成单数）