ACCORDING TO THE TEXT, _______.A. VIETNAM HAS EVER ORGANIZED SEVER...

37. According to the text, _______.a. Vietnam has ever organized several tobacco-free sport events before the 22

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SEA Gamesb. the tobacco-free SEA Games in Vietnam has not been approved by any world organizationsc. the tobacco-free SEA Games is not announced to newspapers and magazinesd. the tobacco-free SEA Games in Vietnam has been encouraged and supported by many world organizations