Select the most appropriate option to fill in the blank.

My niece is very kind and ______ to everyone in the family.

generous

The most appropriate option to fill in the blank is generous.

The sentence is about the niece being kind and generous to everyone in the family. The word "generous" means giving or giving away freely. It is the most appropriate word to use in this context, as it conveys the meaning of being kind and giving to others.

The other options are not as appropriate.

• Callous means unfeeling or insensitive. This is not the right word to use, as it does not make sense to say that the niece is callous to everyone in the family.
• Ruthless means having or showing no pity or compassion. This is not the right word to use, as it does not make sense to say that the niece is ruthless to everyone in the family.
• Stern means severe or strict. This is not the right word to use, as it does not make sense to say that the niece is stern to everyone in the family.