Choose the correct answer

1. The house [the self|himself|itself] was nice, but the area was horrible.
2. Alex, did you choose my present [yourself|itself|myself]?
3. Katie told her friends to make [ourselves|themselves|herself] at home.
4. He doesn't look [yourself|his self|himself] today. Is he alright?
5. Girls, if you want some more food, help [themselves|yourselves|ourselves] .
6. She did it all by [yourself|itself|herself] .