TIhere is an ( )book.I am ( )in reading it.

l am reading an i() book in the library now I am reading ( )book .There is ( )interesting story in it. A 1.I am reading ( )book.There is ( )interesting story in it. I am reading an (i ) book （I am reading an English book.）(The boy is drawing pictures. this is an (i ) book and i enjoy reading it a lot. I am reading a book ,It is about space 改为定语从句 I am reading a book which/that it is about a robbery. about,book,I,am,interesting,reading,an,怎么组句? I am reading a book I am reading the book (which is about Monkey King.) The book is very interesting,I'm i___ in reading it (___处用根据