John is Sam and Amy's friend.是否有语法错误?

John is Sam and Amy's friend.是否有语法错误? When did you come back?Lingling is in London with Sam and Amy.Amy:Hello,John.How are you?John:I'm fine,thank you.You're back from China!Amy:Yes,we're home.John:When did you come back?Amy:We came back last Sunday.This is our Chinese friend,Lingling.Jo yesterday l went to the park with sam and amy .we met john in the paek. Is Amy younger than Sam? 在括号里填：dear daming ：how are you?i（ ）to london last sunday.（ ）john today.he is amy and sam‘s friend.he（ ）in london,near amy and sam.we ate （ ）today.but l （ ）my ice cream on john’s shor!l was so sorry.yourslingling Sam:Mum,a dog is wery usefui.It can( )us.Amy:Yes.It can( ).Sam:And it can( )with us. he's sam and amy's friend. What ____ Amy and Sam doing?a.are b.am c.is 根据对话情景及首字母提示补全对话.（It is Saturday afternoon,Sam and Amy are going to the cinema by bike.They are at a crossing now.）Sam:Stop,Amy!The light is red.Amy:Oh,sorry.I didn't notice it.Sam:Don't hurry,Amy.The light is yell Does sam and amy like pears?哪儿错了 Amy and Sam are back from London.是啥意思? Amy and Sam like bananas.Do you like bike bananas? Does sam and amy like pears?哪儿错了 Can Sam and Amy speak Chinese?(speak English) yesterday l went to ten park with sam and amy we.met johe park .he's sam and amy's sam and amy[ fly kites i]n spring _______ _______ sam and amy do in spring?对括号内提问 英语翻译Dear Daming,Yesterday I went to the park with Sam and Amy.We met John in the park.He's Sam and Amy's friend.We dought ice creams.Then we went home by bus.I ran to the bus.But I dropped my ice cream!Love,Lingling此为原文,老师叫我 英语翻译Dear DaMing :Yesterday I went to the park with Sam and Amy.We met John in the park.He’s Sam and Amy’s friend.We bought ice creams.Then we went home by bus .I ran to the bus ,but I droped my ice cream!love ,LingLing