_______ any other species, human populations are shaped by the usual forces of natural selection, like famine, disease or climate.
To "stick to something" means that you continue to do it and don’t ______.
Nowadays, ______ kitchens with advanced equipment can help ______ blind to cook by themselves easier.
It was a pity that the great writer died ______ his work unfinished.
At first he refused to admit his guilt but when he was shown the evidence he ______ and confessed (坦白).
________with the help you gave the blind man, mine is not worthy of being mentioned at all.