Depends on if they're in an English speaking country or not. If you're in Thailand, consider yourself lucky if they even Understand English, let alone speak to any degree. If you're in an English speaking country, then work on your English.
Agree. The sign in America or Britain could say "do not complain about our Spanish if you do not speak English". I work in the tourist industry and so many people get mad at me when I don't speak Spanish or Portuguese
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