He has a knife.改复数句

He has a knife.改复数句 He has a hammer.改复数句 She has a knife.变复数句 There is a knife on the desk.改复数句 He has a box改复数 this is my knife改复数句 1.I have a blue knife.He has a red knife.（同义句转换） He has blue eyes. 改为同义句 knife is pink. 改为复数句 She likes bananas.He has a new book 改为复数句怎么改? he has a question的复数句 He has a strawberry.改为复数句 That is my knife.改复数句怎么做?