Tham khảo tài liệu 'anh văn toefl structure-023', ngoại ngữ, toefl - ielts - toeic phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Anh văn TOEFL Structure-023 1 Sociologists have long recognized that social tension u a elements from group living. u b elements of a normal group life u c living are a group of elements. u d are normal elements of group life 2 .have a very keen sense of hearing although most do not hear sounds audible to the human ear. u a While some insects do u b Some insects which u c Some insects u d That some insects 3 Although both political parties wanted Dwight D. Eisenhower as their presidential nominee in 1952 he became a Republican candidate and . u a President was electing u b was elected President u c to elect the President u d being elected president. 4 If an act is rewarded many times immediately and with strong reinforces it will rapidly become. u a a habit u b into a .
