Put in in, at or on.помогите пожалуйста

Question

Put in in, at or on.помогите пожалуйста

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Answer 1

1.on
2.in.
3.in
4.at
5.at
6.at
7.at on
8.in
9.at
10.at in on
11.in
12.in
13.on
14.on
15.in