补全对话：根据上下文的意思在下面对话的横线上填上适当的句子，将对话补充完整，并将其编号写在横线上。（10%）

Mike: __________________________________?
Chen: It’s Sunday .
Mike: ____________________________
Chen: I often play in the People’s Park .
Mike: __________________________________
Chen: I can swim.
Mike: ___________________________________
Chen: Yes, there is a river in it. The water is very clean.
Mike: Are there any boats on the river?
Chen: ____________________________. I often row a boat with my friends.