I.Complete the sences with at,in or on.
1.I studied at/in/on that upper secondary school when I was young
2.There are many books at/in/on the bookshelf
3.The science lab and computer room are at/in/on the top of the building
4.Do the children have to do homework at/in/on home
5.When you visit my school,you will see many flowers at/in/on the school garden
6.Here you can see some pictures of our summer activities at/in/on the wall
7.Her classroom is at/in/on the third floor of that building
8.When I'm at school,my parents are at/in/on work
9.Look! The students are playing football at/in/on the classroom
10.My little sister usually has lunch at/in/on school
1.I studied at/in/on that upper secondary school when I was young
2.There are many books at/in/on the bookshelf
3.The science lab and computer room are at/in/on the top of the building
4.Do the children have to do homework at/in/on home
5.When you visit my school,you will see many flowers at/in/on the school garden
6.Here you can see some pictures of our summer activities at/in/on the wall
7.Her classroom is at/in/on the third floor of that building
8.When I'm at school,my parents are at/in/on work
9.Look! The students are playing football at/in/on the classroom
10.My little sister usually has lunch at/in/on school