Telus International Rater Practice Exam

Language tags sometimes include a region subtag to specify a particular locale. When you pair English with a location, the standard tag for the United States is en-US. This is why the explicit-location example uses English with the US locale—it distinguishes US English from other varieties. Other options point to different locales (en-GB for British English, es-US for Spanish in the United States, fr-CA for Canadian French), which is why they don’t fit the explicit-location pairing shown.