What's your reason for coming to the U.S.A.?

你来美国的理由是什么?

I'm here on holiday.

我是来这儿度假的。

What's the purpose of your visit?

你这次来访的目的是什么?

I am here on a student visa. I'm going to attend a summer language intensive.

我是以学生身份来的，我来参加一个语言集参训夏令营。

Are you travelling for business or pleasure?

你是商务旅行还是旅游?

I'm going to visit some relatives here for several months.

我要在这里待几个月，拜访一些亲戚。