Answer:
Trust me its A and B
Explanation:
Un is male and una is female
Perhaps I’d need more context, but I think the missing word would be something along the lines of les or something. I’m new to Spanish, sorry.
Answer:
1. El padre 2. La abuela 3. El primo 4. La hermana 5. La prima 6. el abuelo 7.el hermano 8. La tia 9. Los tios 10. La hermana