The earliest invasion is that by the （）-haired Mediterranean race called the Iberians.

填空题People sing the national anthem in（）

填空题In Wales many people speak（）

填空题The population of the U.K. consists of the English, the Welsh, the Scottish and the（）

填空题Britain is basically an exporter of（）

填空题The population of the U.K. is more than （）million.