I think that the answer for "site" should be c. location.
They all laugh when they heard
Answer:
1 What is your favourite food?
2 I am excited about our adventure camp.
3 Taj Mahal is in Agra.
4 She bought an apple, an orange and a pear.
Your prepositional phrase is "around the park". Your preposition is around the is your modifier and park is your noun