Re-read the text and complete the word combinations with the missing parts:to serve ... Blank 1 Вопрос 4 asto-overinatacross ... the speed Blank 2 Вопрос 4 asto-overinatacross ... advance Blank 3 Вопрос 4 asto-overinatacross to communicate ... long distances Blank 4 Вопрос 4 asto-overinatacross be unknown ... smb. Blank 5 Вопрос 4 asto-overinatacross represent ... Blank 6 Вопрос 4 asto-overinatacross to spread ... some territory Blank 7 Вопрос 4 asto-overinatacross