改成一般疑问句 再作肯、否回答答:isn't.Is her hair long?Yes, it is. No, it isn't.Are his arms long? Yes, they are. No, they aren't.Are her arms short?Yes, they are. No, they aren't.Are his feet big?Yes, they are. No, they aren't.Are her feet small?Yes, they are. No, they aren't....