It is a book改为一般疑问句

It is a book改为一般疑问句 This is a book/( 改为一般疑问句) It is a book把a book改为特殊疑问句 It is a cat 改为一般疑问句 it is a pen(改为一般疑问句) it is a cat改为一般疑问句 it 's a book about London改为一般疑问句 疑问句is it abook.改为this it a book. This is a great book .（改为一般疑问句） he is writing a book .（改为一般疑问句） This is my book.改为一般疑问句：It is Lucy is jacket.改为否定句： That‘s a ruler.(改为一般疑问句) Is this your book?(作回答) It is my ID