I majored in Economics and Trade.

我主修经济与贸易。

Can you say something about yourself in English?

可以用英语介绍一下自己吗?

Well. I graduated from Peking University and majored in Economics and Trade.

好的。我毕业于北京大学，主修经济与贸易。

I like English most.

我最喜欢英语。

What subjects do you like most?

你最喜欢哪门课?

English. I like English most.

英语，我最喜欢英语。