Can some help with these riddles from the hobbit

I come from under the hill

under the hills and over the hills my paths led

and through the air

I am he that walks unseen

I am the clue-finder

the web cutter

the stinging fly

Choose the pronoun that can replace the underlined word(s) in each sentence. mr. ruiz gave the students some homework.answer "them" the check arrived in the mail today.choose the pronoun that can replace the underlined word(s) in each sentence. mr. ruiz gave the students some homework. answer "them" the check arrived in the mail today."it" devon is saving money so that devon can buy a new video game."he" everyone is excited that anyone’s name could be drawn in the raffle. "his or her"