Can Sam and Amy speak Chinese?(speak English)

Can Sam and Amy speak Chinese?(speak English) 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. John is Sam and Amy's friend.是否有语法错误? 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 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 Sam:you can jump high.Amy:you can play basketball well. 埃米和萨姆喜欢香蕉,英语怎么说?amy and sam like bananas,还是amy and sam likes bananas埃米和萨姆不喜欢香蕉,英语怎么说? yesterday i went to the superrmarket with sam and Amy.是否语法有错误?Yesterday I went to the superrmarket with Sam and Amy.是否语法有错误？ Sam and Amy's clothes are wet.为什么只在Amy的后面加名词所有格's? Is Amy younger than Sam? yesterday l went to the park with sam and amy .we met john in the paek. Where are Sam and Amy going to go tomorrow?请问中文意思 yesterday l went to ten park with sam and amy we. met johe park .什么意思?