Mark the letter A, B, C, or D to indicate the correct option that best fits each of the numbered blanks. Located beside the serene Hương River, (18) ________ the Nguyễn emperors. Built in the early 19th century, the walled city was a symbol of imperial power, meticulously made with brick and stone. If you are fond of history, Huế is (19) ________. When you first arrive, you should pass through Ngọ Môn, the grand entrance (20) ________. The central gate was reserved exclusively for his use. ...

Located beside the serene Hương River, (18) ________ the Nguyễn emperors. Built in the early 19th century, the walled city was a symbol of imperial power, meticulously made with brick and stone. If you are fond of history, Huế is (19) ________.

When you first arrive, you should pass through Ngọ Môn, the grand entrance (20) ________. The central gate was reserved exclusively for his use. Next, enter the Imperial City, inside which is the elegant Ngũ Phụng Pavilion, (21) ________ the Royal Family. Then, you should check out the Thái Hòa Palace, which once hosted important celebrations like royal birthdays. (22) ________ with a visit to Duyệt Thị Đường, Vietnam’s oldest royal theater. After taking in the historical landmarks, a peaceful boat ride along the river (23) ________ the emperors’ tombs. Be sure to pack an umbrella—Huế is known for its frequent rain showers.