Fill in each blank with one suitable preposition

Here are the suitable prepositions to fill in each blank:

1. She is talking **to** her students in the school yard.
2. Does your aunt work **at** the central hospital? – Yes, she is a nurse there.
3. Mr. Minh is a journalist. He writes **for** Tuoi Tre newspaper.
4. This apartment is suitable **for** my family.
5. I often help my parents **with** the housework after.