The use of English in all aspects, especially in the world of education in Indonesia, has become more popular. Indonesia has a strategic location geographically, the need to be able to communicate in English is inevitable. This chapter was focusing on the foreign-language learning of Indonesian people regarding their interaction with people from other countries and cultures, which is using English. There were several previous researches taken, to be discussed in this chapter in supporting the idea that interaction with people from different countries and cultures would be able to promote the process of foreign-language (English) learning in verbal communication, especially for Indonesian people. Researches came up with the results that cross-cultural communication of Indonesian showing that the circumstances were giving a positive impact for their work and life, either professionally or personally. The verbal interaction should be conducted well to a better understanding. In order to communicate well, one should be able to master the international language, in this case is English.