Type the possessive form of the word.

her sister-in-law

her sister-in-law's

Explanation:

The possessive cannot be 'sister's-in-law'; it has to be "sister-in-law's", and that is what native speakers say and write.

e.g. The house of her sister-in-law is her sister-in-law's house.

- "the basic difference between keywords and subjects is that subjects (or "subject headings") have been predetermined, while keywords have not. a keyword is an easy place to start because you can use any word that seems to fit your search; this is called "natural language" searching."

true

explanation: