You have to be accurate in this job,because a small mistake can make a big ________.
The young Swede was made ___ a lot of practice before the Napoleon’s inspection.
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.