Догадайтесь, о чём идёт речь в следующих вопросах: My first is the written abbreviation of DECEMBER, My second can connect the things to choose, My third is one of the prepositions, My fourth is the 9th letter in the alphabet, ...

Догадайтесь, о чём идёт речь в следующих вопросах: My first is the written abbreviation of DECEMBER, My second can connect the things to choose, My third is one of the prepositions, My fourth is the 9th letter in the alphabet, My fifth is one more preposition, My whole is something pretty you put onto Christmas tree.