I need help Asap plz! Vocabs are: sepulchre , seraphs, kinsmen, coveted, and dissever

I need to fill in the blanks!
1.I look to my for loyalty and support.
2.The cathedral has golden painted inside it dome, as if flying to the sky.
3.One group worked to itself from the nation and from it's own country.
4.The members of the royal family will be buried in the same
5. I my friend's high grades, but then I realized I needed to work harder.