"We are able to have them interact with American students, but then also ask them any sort of simple questions that you may ask another person: 'What do you like to do for fun?

VOA: special.2010.05.27

Like I mentioned, you can also use "I want to" to ask if you may do something indirectly.

就像我之前说的，你可以用“I want to”句型间接地询问你是否可以做某些事。

I want to 课堂 - SpeakingMax英语口语达人

I'd like is also very useful. You can use "I'd like" to ask for something.

'd like 也是非常有用的句型。你可以用它来表达你想要一些东西。

I'd like 课堂 - SpeakingMax英语口语达人