句型转换
1.Is this your basketball? (改为复数形式)
________ ________ your ________?
2.That is their computer. →That computer is ________.
3.Those are your flowers. →Those flowers are ________.
4.This yellow dress is Lily's. (对画线部分提问)
________ yellow ________ is this?
5.It's her book. →The book is ________.