Please kindly vote for the contest “第四屆全港中學學界廣告賣橋王”.

https://www.stgss.edu.hk/wp-content/themes/osmosis/images/empty/thumbnail.jpg 150 150 STGSS STGSS https://www.stgss.edu.hk/wp-content/themes/osmosis/images/empty/thumbnail.jpg 14th May 2019 9th September 2019