The Nile River is the __________ river in the world, __________ the Amazon is the widest. A. long - so B. long – because C. longer – but D. longest – bĐoạn văn12/50The Nile River is the __________ river in the world, __________ the Amazon is the widest. long - solong – becauselonger – but longest – butGiải thíchChọn D