complete each of the sentences with a proper preposition.

complete each of the sentences with a proper preposition.
1)How long have you been here _____________ New York?
2)I'll be waiting _____________ you around 3:30 at the tennis court.
3)Tracy congratulated Li Min _____________ getting the allowance.
4)Mr.Taylor wants the forms to be handed in _____________ the end of Friday.
5)_____________the help of Mr.Pace,Li Min overcame the culture shock she had first felt.
6)Erica introduced Li Min _____________ an old neighbor.
7)_____________much consideration,we accepted his offer.
8) _____________this building,you will see many beggars.