MY PEN IS GONE是什么结构动词为什么用IS

MY PEN IS GONE是什么结构动词为什么用IS My pen is gone.My pen is lost.My pen is gone.My pen is lost. Is this my pen 同义句是什么 ____that is my pen That is _____.It is very nice.A.pen B.my pen C.the pen D.the my pen 选哪个?原因是什么? It is _____. A.pen B.my a pen C.a my pen D.my pen my pen is blue ; my friends is this is a my pen 英语My life is gone My Love Is Gone 歌词 “my pen is blue,my friend is you”的中文意思是什么? this is my new friend 是什么结构 it is my turn 是什么结构 my father is teache句型结构是什么? This is not my pen.M______ is this is( )my pen.it's( )pen.( )里填空 根据选项填空:went,gone,has gone;has taken,had taken,took I left my pen on the desk and now it is _;who _it?请给出解题详情. This is my a pen?对还是This is a my pen?对This is my pen？