I believe the best option would be "from your house to the train station." Forgive me if I'm incorrect, but it seems like it's the only adverb clause in the sentence. Hope this helps. I'd say "the train will arrive" would be the answer, but it cannot be, because it is not modifying any part of the sentence. So, I think this is the best answer.
:D
2.
the answer would be #2 because the paragraph following supports that idea with real life examples.
