Dolphins don't have ......... like fish but, instead, have smooth, rubbery skin.

Dolphins don't have ......... like fish but, instead, have smooth, rubbery skin. (*) surfs (*) fur (*) scales (*) fin


This is a companion discussion topic for the original entry at https://english.best/questions/2831,dolphins-dont-have-___-like-fish-but-instead-have-smooth-rubbery-skin/