【用戶】Angel Cheng
【年級】國三上
【評論內容】The Washougal empties into the Columbia River near Portland. 沃舒格尔河在波特兰附近注入哥伦比亚河。
【用戶】Zai
【年級】高二下
【評論內容】including the Cocopah, who live where the Colorado River empties into the Gulf of California.由科羅拉多河流入加利福尼亞灣的科科帕 可知應該選(D)科羅拉多河河口