Tham khảo tài liệu 'anh văn toefl structure-033', ngoại ngữ, toefl - ielts - toeic phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Anh văn TOEFL Structure-033 1 Between 1870 and 1890 the total population of tile United States. u a that doubled u b doubled u c It doubled u d when doubled 2 Intended to display the work of twentieth-century artists in 1929. u a the opening of the Museum of Modern Art u b so the Museum of Modern Art opened u c why tile Museum of Modern Art opened u d the Museum of Modern Art opened 3 The Earth has a tremendous amount of water but in the ocean. u a almost all of it is u b it is almost all of u c is of it almost all u d all is of it almost 4 have sense organs in a canal known as the lateral line which allows them to respond to changes in water pressure caused by nearby motion u a That tile fish b .