Fill in the text with the words in capital letters putting them in a grammatically appropriate form
Precious fermentation
Fermentation [ ] a way of preserving foodfor thousands of years. This process makesfood [ ] long and [ ]. Koreans andJapanese [ ] vegetables, fish and beansfor many generations. First, food [ ] in saltwater to kill off [ ]. In the next stage,people have the remaining microorganisms [ ] sugar and carbohydrate into the acid,which preserves the vegetables. This type ofbacteria works at its [ ] to restore ourimmune system. These «good bacteria» [ ]«probiotics» which literally means «fit for life,lively». There are many fermented foods, butscientists [ ] all of their effects yet.However, we already know that there isnothing harmful in them unless we [ ]vinegar. Fermented food [ ] to us asyoghurt, sour cream, sour dough bread,pickled vegetables and others. Doctorssuggest [ ] fermented food regularly andin quite large numbers. Now research [ ]to find out if [ ] food can improve thehealth of people with specific disorders.