也许，你来自中国。
As I understand, you come from China. Right?
据我所知，您从中国来，对不？
I am from China. Where do you come from?
我来自中国。你是哪里人？
When did you come to China and from where did you enter?
你什么时候来中国的？在什么地方入境的？
Where did you come from? I came from (City, County) (e. g. Shanghai, China).
你从哪里来？我从(城市，国家)来(例如：上海，中国)。
Hello! Are you here? I come from China, we can chat?
你好！你在吗？我来自中国，我们可以聊天吗？
Where do you come from? I come from China.
你是哪里人？我是中国人。
Why do you come from such a long distance to work in China?
您为什么远渡重洋来中国做一名外教？您觉得中国的工作和生活怎么样？
你是从中国回来的吗？
我来自中国用英语说 谢！
我来自中国用英语说 谢！
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