According to the passage, the Mississippi River wa...
Câu hỏi: According to the passage, the Mississippi River was
A one of the boundaries of a region where new agricultural settlement took place
B a major source of water for agricultural crops
C the primary route by which agricultural crops were transported
D a main source of power for most agricultural machinery
Câu hỏi trên thuộc đề trắc nghiệm
Đề thi thử THPT Quốc Gia môn Tiếng Anh trường THPT Hồng Lĩnh - Hà Tĩnh năm 2016