The answers would be good and benefit because antonym means opposite, so what's the opposite of harm, well its good of course.
Answer:
lo siento pero no se inglés
She has some regrets about not spending more time with her grandfather.
I believe this is the answer because she talks about how their was a slight language barrier and she was preoccupied with life but now that he is gone she wishes she could know more about him.
Answer:
Can I do this work? is the correct answer