This is my blue pen.(改为一般疑问句）()this () blue pen?This is a white k_英语解答

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?

人气：443 ℃　时间：2020-02-05 01:19:57

解答

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