The launch of the first liquid-fuelled rocke...
Câu hỏi: The launch of the first liquid-fuelled rocket in 1926 _______ by flight historians ______ as significant as the Wright Brothers' flight.
A. has considered/ to have been
B. was considered/ being
C. is considered/ to be
D. is considered/ to have been
Câu hỏi trên thuộc đề trắc nghiệm
ĐỀ THI THỬ THPT QUỐC GIA NĂM 2019 – LẦN 2 Môn thi: TIẾNG ANH !!