Tham khảo tài liệu 'anh văn toefl structure-013', ngoại ngữ, toefl - ielts - toeic phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Anh văn TOEFL Structure-013 1 Duke Ellington was a composer conductor and pianist ranked as one of the greatest of all jazz figures u a him u b although u c or u d who 2 --- became a state in 1876 u a When Colorado u b Colorado u c It was Colorado u d Colorado which 3 The fragrances of many natural substances come from oils --- these oils may be used in manufacturing perfumes. u a of u b from u c whether u d and 4 Because the saxophone is an excellent solo instrument in some important orchestral works. u a it is featured u b while featured u c if featured u d feature .