This fish is _________ delicious.
-
really
-
real
-
completely
-
almost
A
Correct answer
Explanation
The word 'delicious' is an extreme (non-gradable) adjective, meaning it cannot be modified by standard grading adverbs like 'very'. The adverb 'really' is highly versatile and can modify both gradable and non-gradable adjectives. 'Real' is an adjective and cannot modify another adjective here.