Sam's "Super Spelling" course is offered on the platform of Gaodao classroom in online education institutions. Teacher Sam, whose Chinese name is Bao, is the founder of Super English, including Cambridge KET &；; PET oral examiner status, TESOL international classroom qualification certificate holder status. 20 16 officially signed a contract with Gaotu Classroom and became a primary school English lecturer on this platform. As Sam's teacher, he offered a series of courses such as super spelling and super grammar. As of 20 19, the online number of Gaotu class has reached more than 500,000, and the favorable rate is as high as 98.9%. Therefore, it can be said with certainty that Sam's Super Spelling course is provided on the platform of Gaodao classroom.