Natural selection is a resourceful tinkerer and could have rewired men's brains to respond to lowered testosterone in any number of ways, not necessarily by becoming less competitive.
Natural selection might have made men's brains respond to lowered testosterone.
It is not likely that natural selection had anything to do with men's brains responses to low testosterone.
It was funny watching CNN, I just laughed all night.
Two people are making music.
We watch the kids a lot.
Two men are riding motorcycles.
I'm sorry for the Vietnam experience.
the woman is seated at the kiosk