Choose the correct preposition from the box where necessary.

{"q": "Choose the correct preposition from the box where necessary.", "a": "1) into, 2) in, 3) to, 4) at, 5) on, 6) from, 7) in, 8) on, 9) in, 10) on, 11) behind, 12) in, 13) by, 14) in the middle of, 15) for."}