Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 26 to 30.

THE KOREAN EDUCATION SYSTEM

The Korean education system basically consists of primary schools, (26) ______ schools, high schools, and colleges or universities, with graduate courses leading to Ph.D degrees. Primary education is compulsory for children aged six to eleven. The basic primary school curriculum is generally divided into eight (27) ______  : the Korean language, social studies, science, (28) ______, ethics, physical education, music and fine arts. Students in secondary schools are required to take a number of additional subjects, such as English, and can take elective, such as technical or vocational courses. Afterwards, students can (29) ______  between general education and vocational high schools. (30) ______  general, high school tends to be strict, as college and university admission is very competitive.

The Korean education system basically consists of primary schools, (26) ______ schools, high schools, and colleges or universities, with graduate courses leading to Ph.D degrees.