The mere fact _____ most people believe nuclear war would be madness doesn’t mean that it will not occur.
Before __ the trunk must be checked.
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.