Fill in each blank with a suitable preposition

Fill in each blank with a suitable preposition.

51. Could you put me …………….…..to the manager, please?

52. The police are trying to find …………….…..where the robbers hid the money.

53. There has been a noticeable improvement …………….…..Tim's cooking.

54. There has been some decrease …………….…..military spending this year.

55. Don’t worry about it. I’ll set …………a meeting between Jake and you when I get to the office.