David's father is a cook.变句型,否定、特殊问句、反意问句、一般问句

David's father isn't a cook
Who is a cook?
David's father is a cook,isn't he?
Is David's father a cook?The chicken taste well.(变句型，否定、特殊问句、反意问句、一般问句)先采纳， 再点击“评论” 看答案