1.   Occasionally she and a friend would sneak off during their free study hour.

2.   Their argument can reach such epic proportions that it is sometimes possible to sneak off without paying.

3.   They sneaked off without paying!

4.   They sneaked off without paying.

5.   We tried to sneak off from work early.

6.   What Peg did was to take a bed-sheet from home and sneak off with it.

7.   Occasionally he sneaked off to one side and had a good long suck at a silver flask.

8.   As a high school varsity football player, Dennis Fleming waited impatiently for afternoon practice to end so he could sneak off and snort heroin.

9.   As a boy Alpher often sneaked off to peek through a telescope at the U.S. Naval Observatory on public viewing nights.

10.   At one point, she sneaked off to the bathroom.