Réponse :
1) The school where we study is very small.
2)The teenager drew a large cloud that looks like a planet.
3)This is an artwork that was painted in 2017.
4)The audience who are interested in street art often book tours around cities.
5)Banksy usually chooses places where lots of people can see his work.
Explications :
1) où
2) qui pour un objet
3) qui pour un objet
4) qui pour des personnes
5) où