Change one letter in PAT and form a new word.The opposite of bottom is ___________; a cooking vessel __________; an animal ___________; a hole in the ground ___________

Change one letter in PAT and form a new word.:top(顶)）
The opposite of bottom is _top__________; a cooking vessel is ___pot_______;
an animal __burrow_________; a hole in the ground is burrow___________
题意不很明确