This si my pen pai.(变成复数形式)怎么变?

This si my pen pai.(变成复数形式)怎么变? This si my pen pai.(变成复数形式)怎么变? This is my pen pai in Canada.什么意思 my pen pai likes后面填什么 初一英语作文MY PEN PAI有翻译 连词成句 (pai new pen my Canada from is) (does pen live her pai where) this is a my pen my pen pai is from China(改为否定句)My pen pal is from China.(改为否定句）my pen pai _______ ________ from China. this is( )my pen.it's( )pen.( )里填空 what is that in English?是It is a pen还是This si a pen还是That is a pen This is my a pen?对还是This is a my pen?对This is my pen？ This litter is ( )my pen friend Tony this is my pen 改为疑问句 this letter is from my pen p___ this is my pen的同义句 this is my pen 改为同义句 this is my pen.改一般疑问句 Is this my pen 同义句是什么