He worked/has worked as a park ranger for over 10 years now. She read/has read this book a few years ago. He loved/has loved hiking since he was a child.

1. has worked

2 has read

3.. has loved

He worked/has worked as a park ranger for over 10 years now. She read/has read this book a few years ago. He loved/has loved hiking since he was a child.

He has worked as a park ranger for over 10 years now.

She read this book a few years ago.

He has loved hiking since he was a child.