I think English communication skills.
Because,I think that there is no meaning if there is no communication skills and even found if English grammar.
I did the grammar entirely in high school, but I could not at all talking.
I am learning English from the time of the elementary school, speaking English still, you can not hear.
It is very frustrating.
So, I want to be able to speak with foreigners to wear to learn communication skills and English a lot in college.