And I think you should not study only. Between them you should be able to find a job in a restaurant doing household tasks, tasks serving to learn to work in a restaurant.
And I think that you should not only learn the language. Between then you should find a job in a restaurant. Such as serving food in the kitchen to learn to really work in a restaurant.
And I think you should not learn a language only. During that time, you should find a part-time job in a restaurant. Jobs such as serving food in the kitchen, to learn to work. In the restaurant.