He came home______yesterday.
Everybody knows that we should not drink ___ water, or they will get burnt.
William Tell hesitated to let his boy risk __ there with an apple on his head.
Crusoe found that nine savages seemed to be eating something which they ___ on the fire.
The half smile on the little hero’s face seemed to suggest that he was happy __ his life for his country.
He forgot to turn off the light.So he went to bed with the light ___on.\