No More Learning

The last did not appear to have quite room enough
for a steady footing; but as she remarked, it did not matter very
much, as the footing, broad or narrow, would not be there very
long
I am used to swimming, and have never           to take
a plunge into river or ocean; but I must admit that it was
very trying to my nerves to stand up this way and wait for a
boat to sink beneath me.