He is my friend Li Ming 这句话有没有语法错误?

The boy's name is Li Bin.He is my friend.(改为同义句)The boy _______ Li Bin is my friend. 英语翻译I`m Gao Wei.My friend is Li Tao.He likes piaying football,his hobby is intereted in singing on sunday.He often plays the piano,he enjoy it very much.We are good friend. He is my friend Li Ming 这句话有没有语法错误? 这是短文:My name is Li Ping.I'm a middle schoo这是短文:My name is Li Ping. I'm a middle school student. I'm in Class Three,Grade One.Myteacher is Miss Gao.At school I have friend.his name is Tom.He is English.He's fourteen.He is i Hi,friend .I 'm Mike.I'm 10.I'm a tall boy.There are five people in family.My parents;my grandfather,my sister and I.My sister's name is Alice.She is six.Siss Li he is cute.She likes hamburgers.I have a good friend.His name is John.His likes sports.M He is my new friend He is my best friend Li Bin is my brother.Is_______(he/she)your friend?此处用he还是she?为什么? 四年级英语暑假作业本67页第2题自我介绍怎么填呐.My name is li cheng.I'm a boy.I'm a s------.Ilike music.Mybest friend is ling feng.He likes------ very much. Mike is my best friend.He is... Excuse me.什么Is this your pen?No,it is not my pen.I什么it is Li Lei is 什么Li Lei?He is my goodHe is my good friend.Look!He is over there .Hello,bill!Li Lei,什么 is Lin Tao Nice to meet you,too.Li Lei,is this your pen 如果有七年级上 My name is( ).I'm a ( ).I'm a( ).( )I like( ).My best friend is( ).He/She likes( )very much. He is my friend .改为一般疑问句 He is my good friend足球 he is my friend.I meet_____every fay He is my friend.改为复数句 He is my friend better than anyone He is b______my teacher and my friend.