Preposition Vs Adverb Particle DistinctionSet 8

1Our green club was set ..... by the Youth Union in 2015.
2Which sentence uses the bold word "down" as a preposition?
3Is 'at' an adverb or a preposition?
4Are you going to the supermarket? Please bring ..... some milk.
5Why is "to" considered a preposition in go to school, but not in to study?
6A variation of collodion photography was the tintype, which captured images on a black or dark brown metal plate instead from on glass.
7Choose the preposition from the options given.
8He keeps getting ..... me and I really don't know what I've done wrong.
9I prefer reading books ..... playing video games.
10If we don't conserve the natural gas, it will soon be used .....?
11Do you believe ..... witches and magic?
12Select "To" or "For" accordingly.Please make a reservation ..... us at the restaurant.