there are one desk and two chair这句话怎么错了

there are one desk and two chair这句话怎么错了 there are bed hat chair desk computer and books in it.这句话对吗? There is a book and two pens on the desk.这句话是不是错了? There are two small bookcase ,a desk ,a chair and a bed.这个句子 There are two desk.The red one is mine.这句话对吗? -Is there a chair and two desk in your room? there are two chairs and a desk There are two books on the desk.One is green ,and() is yello there is o one desk and one chair in the room 该错:1.There are one book and ten pens on the desk.2.There are What one hundred and two?这句话哪错了 it's a desk and a chair这句话对吗?