Has anyone said we should only learn to speak Chinese?

Learn to speak Chinese is your key to understanding the Chinese culture.

《学汉语》是打开中国文化之门的钥匙。

My parents don't speak chinese, they speak english.

我父母亲不讲中文，他们讲英语。

The ability to speak Chinese was among his attainments.

他的技能之一是会讲汉语。

I hope Americans can speak Chinese, can learn Chinese.

我希望美国人能够说汉语，能够学习汉语。

I can speak Chinese, but I can not write very well.

我可以说中文，但我可以不写得很好。

However, they could speak Chinese at home.

不过，在我们自己的家讲中文没关系。

I am a Chinese and ( I) can speak Chinese.

我是中国人，会说汉语。

I don't have too many opportunities to speak Chinese.

我没有太多机会练习说汉语。

Learning to speak Chinese is not as hard as you think.

学汉语并不像你想象的那么难。

You are the only person here who can speak Chinese.

你是这里惟一一个会讲中文的人。

I am an American but I can speak Chinese.

我从美国来的不过我会说中文。

Could you find a staff who can speak Chinese?

你能帮我找一个会中文的工作人员吗？

And we're going to speak Chinese there.

在那儿我们将要说汉语。

He can also speak chinese.

他也会说中文。

We have six American teachers, who can't speak Chinese.

我们有六位美籍教师。他们都不会说中国话。

Still some students in other countries can speak Chinese very well.

还有一些其他国家的学生汉语讲得很好。

In China, we speak Chinese.

在中国，我们说汉语。

Today, more and more people from the West speak Chinese.

今天，会讲汉语的西方人越来越多。

If I can speak Chinese, developing China will give me more good opportunities

如果我会汉语，发展的中国能提供给我许多好机会

I would also like to learn to speak Chinese!

当然了，我对学习中文也是非常着迷呢。