I will go to America next year

I will go to America next year

I will go to The United States next year.

I think I can finish the work independently?

I think I can finish the work/task by myself.

How to say English at work

in the work
at work

I want to focus on my work

I want to focus on (my) work.
I hope I can help the landlord

I will go to America to study next year

I'm going to America to study next year.

I want to have class

I should go to class.