When our ancestors were hunters and gatherers 10,000 years ago, they didn’t have time to wonder much about ________ but finding food.
The power failure made __________ difficult for us to complete the task on time.
I promise that everything __________ clear about it next week.
They lived a hard life and were often made __________ for over ten hours a day.
—How do you keep __________? —I keep __________ every day.
—What about the style of the coat? —It __________ you very well.