Choose the correct preposition

1. The old temple is
   [at|in] the middle of nowhere.
2. Our tour bus passed
   [by|on] some old ruins.
3. The monkey ran
   [at|into] the jungle.
4. Suddenly, there were hundreds of mosquitoes buzzing
   [around|from] us.
5. Let's head back
   [at|to] the hotel.