What must one do if he wants to learn another language well?

What must one do if he wants to learn another language well? The unique way to learn one language well is do more experie What should he _______(do) to learn math well? When one is learning a foreign language,what must he do. Next term what he wants to do is _____in another school.是填to __you want to learn another language,you must learn the word 英语翻译if one wants to get a job,he must make sure his intervie What I to learn a foreign language well? Next term what he wants to do is _____in another school. What language do you want to learn是什么意思? ( )is fun to learn another language What should he ( )to learn English well?（用do填空）