He could swim _____ the age of five.
The formation of clouds was _____ a rapid fall in the temperature.
Almost everyone _____ the city was vaccinated _____ cholera.
The car had been left _____ the side of the road.
We show other people that we are happy _____ smiling.
_____ the company’s high profits this year, the employees did not receive a bonus.
Clouds formed _____ a rapid fall in the temperature.
She remarried _____ the sake of her children.
His illness was _____ bad food.
She was _____ the point of leaving when I arrived.
