This is my blue pen.(改为一般疑问句）()this () blue pen?This is a white key.(对划线部分提问)()()this?

是This is my blue pen 还是This is my a blue pen有助于回答者给出准确的答案 my pen is blue ; my friends is This is my blue pen.(改为一般疑问句）()this () blue pen?This is a white key.(对划线部分提问)()()this? 英语句型转换 This is my blue pen.改为一般疑问句 this is a my pen my pen is blue my friend is you This pen is (blue)对画线的部分提问 This is my pen.(变为复数句）My pens are blue.blue 是划线的 （就划线部分提问）This is my pen.(变为复数句）My pens are blue.blue 是划线的 （就划线部分提问）是不是 These is my pens .和 What are your color pens . This is not my pen.M______ is My pen is blue.怎样改成一般疑问句 My pen is blue.(改为否定句） 如何提问The blue pen is my favourite one 修改病句 This is a pen.The pen is a blue. This is my a pen?对还是This is a my pen?对This is my pen？ This blue bag is ______ my mother. This litter is ( )my pen friend Tony this is my pen 改为疑问句 this letter is from my pen p___