What's your name?你叫什么名字?

My name is David.我的名字叫大卫。

Who's that?那是谁?

Where are you from?你来自哪里?

I'm from China.我来自中国。

I come from American.我来自美国。

How old are you?你多大了?

I'm 5 years old.我5岁了。

This is Mary.这是玛丽。

Look! Here is John.看,这是约翰。

Do you know ......?你知道吗?

Yes,I do.是的。

No,I don't.不,不是的。