A. couple B. secure C. across D. attackĐoạn văn278/500A. couple B. secure C. across D. attack couplesecure across attackGiải thíchĐáp án Acouple /ˈkʌpəl/ secure/sɪˈkjʊr/ across/əˈkrɔs/ attack/əˈtæk/