who's books are these on the desk 错在哪里?

who's books are these on the desk 错在哪里? Who's book are these on the desk?(改错） "Who's books are these?""they are Tom's"这句话错在哪里 Are these books on the desk? 如何翻译? These are some books on the s( ) There are any books on the desk 错在哪? Whose books are these on the desk?为什么不将THESE提到BOOKS前 the car is red 对car提问,these books are on the desk 对 these bo there are some books on the teacher's desk these books are mine,()is on the desk are yours .the one b.t Where are these/those books?的回答不是They are on the desk吗? These are my sketch-books.They are on the desk.怎么样两句并一句?