_______ any other species, human populations are shaped by the usual forces of natural selection, like famine, disease or climate.
Whether ways will be found to stop pollution or not is just _______ worries the public.
It’s necessary to be prepared for a job interview.___ the answers ready will be of great help.
Not far from the house ____ two gardens, ______ seated nearby playing bridge with his children.
---Oh, God! Look at your new shirt! It has been totally ruined.---Worse luck! I ______ in the rain.
The country has already sent up three unmanned spacecrafts, the most recent ____at the end of last March.