6.where do you come from?

你从哪里来?

还可说成：

where are you from?

May I ask where do you come from?

应用解析

come from: 出生于，来自; come in 进来，进入;

come across 偶然碰到，出现于，想到;come back 回来，忆起

7.I come from Beijing.

我来自北京。

还可说成：

I hail from Beijing.

I am from Beijing.

谚语：

Easy come easy go.

来得容易去的快，悖入悖出

8. How old are you?

你多大了?

还可说成：

Can you tell me your age?

May I have your age, please.

谚语：

Never too old to learn.

学无止境。

另注意：西方文化中，问对方的年纪是个忌讳，因为这属于 personal privacy 个人隐私，特别是对于女性，更不能随便问对方的年龄。当然如果只是青少年朋友间询问，没有太大问题。

9. I'm thriteen.

我十三岁了。

还可说成：

I am getting on for thirteen.

My age is tirteen

应用解析：

above (or even) thirty 三十多岁;below(or under) thirty 不到30岁;nearly thrity 将近三十岁; in one's thirties 三十多岁(30-39岁之间);about thirty 三十岁左右。