If you want to know more about prepositions of position :
https://www.slideshare.net/ald220486/preposition-placetelling-positions-and-directionsaround-town
https://www.englishpage.com/prepositions/position_prepositions.htm
Exercise:
https://www.englishpage.com/prepositions/position_prepositions_1.htm
https://www.englishpage.com/prepositions/position_prepositions_2.htm
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