Farmers grow crops either to ____their family ___to sell.
Wolves are very __________:they can live in forests, on open plains, or in the snows of the Arctic.
Such animals like dinosaurs died out because they couldn't __________ to the change of the climate.
Little Tom easily __________ himself to the American life as he moved to the USA with his parents when he was only three.
The room is in a terrible mess; it __________ have been cleaned.
-Tom almost ran into a pole yesterday while driving on the highway. -I suppose he __________ too fast.