It takes an average of 8 or more years to become fluent in American Sign Language (ASL). The proficiency chart below (created by American Council on the Teaching of Foreign Languages) shows levels of ...
Troy Kotsur, Justina Miles and Colin Denny perform in American Sign Language and Plains Indian Sign Language at the Super Bowl LVII pregame show at State Farm Stadium in Glendale, Ariz., on Sunday.
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