第19题:加拿大国歌的第一句是什么？

The first line of Canada's national anthem is "O Canada! Our home and native land!" The anthem was officially adopted as Canada's national anthem in 1980.

加拿大国歌《O Canada》的第一句是"O Canada! Our home and native land!"。加拿大于1980年正式通过《O Canada》作为国家国歌。