I have a picture book.A book is on the desk这句话哪里不对?急吖~明天要交作业

I have a picture book.A book is on the desk这句话哪里不对?急吖~明天要交作业 i have a book on the desk I have a book on the desk改为同义句 I have a book on the desk .的同义词 There is a picture book on desk 怎么改 is there a book on the desk? A book is on the desk和On the desk is a book There is a book and two pens on the desk.这句话是不是错了? There is a book that is on the desk There is an book on the desk 这句话错在哪里,如何改正 there is a book on the desk .please _____it_____.填空 There is a book and two pens on the desk.