My pen is blue.怎样改成一般疑问句

My pen is blue.怎样改成一般疑问句 my pen is blue ; my friends is my pen is blue my friend is you My is black pen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 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 the pen is blue怎样变成一般疑问句? my pen is blue my freind is you请问有人知道这是哪首歌里面的歌词么? “my pen is blue,my friend is you”的中文意思是什么? she is my pen pal .怎样提问 This is my blue pencil.（改成特殊疑问句） this is my pen pal改成复数形式 that is my good pen friend 改成复数 _____ pen is blue.It's _________ blue pen. 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 that is n___ alan's pen.his pen is blue.