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

2.   They sneaked off without paying!

3.   They sneaked off without paying.

4.   The Dartford Tunnel was quiet enough for him to sneak through without loss of time.

5.   Sneaking off without finishing his job is typical of Starr.

6.   You might be able to sneak by without it for a couple of years, but sooner or later it will catch up with you.

7.   Later many of their relatives in Bangladesh joined them, most sneaking in without proper travel documents.