This is English book(变为一般疑问句）

This is my English book(变为一般疑问句）求大神帮助 This is my book 变为一般疑问句 This is an English book.(改为一般疑问句） This is an English book 改成一般疑问句 This is my English book.改为一般疑问句 This is an English book (改为一般疑问句) This is my English book my English book 改为一般疑问句 This is your picture.（变为一般疑问句） This is my shirt.（变为一般疑问句） This is not Mary's dress.(变为一般疑问句） This is my coat .变为一般疑问句 This is your room.变为一般疑问句