The question appears to be asking for the completion of words by filling in the blanks with appropriate letters. Here are the answers:
pro file e
pr ivate
auto mobile
Explanation:
15. The word "profile" fits the context, completing the word as "profile".
16. The word "private" fits the context, completing the word as "private".
17. The word "automobile" fits the context, completing the word as "automobile".
Summary:
The completed words are:
15. profile
16. private
17. automobile