Hello,is anyone there?这句话哪里错?

Hello,is anyone there?这句话哪里错? If there is anyone out there 这句话怎么理解 Is there anyone who can answer these question?另外这句话从语法上讲有什么错 Hello,Ann.He is my friend,Tim.这句话错在哪里 Mom,she is my friend,Linda.-Hello,Linda!这句话错在哪里 Hello!That is my friend,Lily.这句话错在哪里?怎么改? 奥巴马芝加哥演讲Hello,Chicago!If there is anyone out there who still —Dad,he is my friend,Tom. —Hello ,Tom. 这两句话中哪里错了该怎么改 Jim did work more than anyone else这句话哪里错了? is there anyone you hate Is there not some water in this bottle?这句话哪里错了 there is a children in thispicture.这句话错在哪里?