Please don’t do anything harmful ________ our nature, or we humans will have no ________ each other

What’s the matter with Mary?— She wasn’t invited to the ball, but she still ____. [ ]

Koby is an excellent player and many teenagers __________ him.

The serious expression of the captain kept his crew _________.

I think you should complain —________ of course, youare happy with the way things are.