The bag is blue.如何变一般疑问句

The bag is blue.如何变一般疑问句 there is a book in the bag变一般疑问句 The yellow bag is $ 15（变一般疑问句） There is a book in the bag.变否定句和一般疑问句并回答 what is in the bag.变否定句和一般疑问句并回答 The sky is blue改为一般疑问句 The quilt is blue.改为一般疑问句 The woman with blue book is Ms Li 变一般疑问句 he is listen to the radio 如何变一般疑问句 The school bag is （60 yuan）如何改为一般疑问句 The book is in the bag.改成一般疑问句 The girl is crying 变一般疑问句