Jack is a good singer.（改为感叹句）

Taylor Swift is good singer.（改为感叹句） Alice is a good singer (改为感叹句)（）（）Alice（）! Jack is a funny boy（改为感叹句） shi is a good teacher?(改为感叹句） She is a good girl.改为感叹句. He is a good teacher.改为感叹句 Bill is a good boy.(改为感叹句) He is a good person 改为感叹句 改为感叹句 Peter is a good swimmer. He is a good boy.改为感叹句 It is a good idea改为感叹句 She is a very good cook.改为感叹句