According to report released in December 2022, ______ out of the 10 cities with worst air pollution in the world are in South Asia.
According to report released in December 2022, ______ out of the 10 cities with worst air pollution in the world are in South Asia.
Explanation
According to the Striving for Clean Air report, nine out of the 10 cities with worst air pollution in the world are in South Asia.