Q: participants stay with carefully selected, respectable host families in a home stay setting.
A: Participants stay with carefully selected, respectable host families in a home stay setting.

Q: it was called by the chinese nam viet, meaning south viet, viet being the chinese generic term for the peoples to the south of the core region of china. note on the map below that the area of nam viet included what is now south china and the linguistic area of cantonese.
A: It was called by the Chinese Nam Viet, meaning South Viet, Viet being the Chinese generic term for the peoples to the south of the core region of China. Note on the map below that the area of Nam Viet included what is now South China and the linguistic area of Cantonese.

Q: 19 consider mine enemies; for they are many; and they hate me with cruel hatred.
A: 19 Consider mine enemies; for they are many; and they hate me with cruel hatred.

Q: if any of the above-mentioned reasons occur, rar file is corrupted and cannot be extracted.
A:
If any of the above-mentioned reasons occur, RAR file is corrupted and cannot be extracted.