Idiom and adverb usage: supply the intensifier in "stuck ______ in the mud" Complete the sentence with the most idiomatic adverb: "It was difficult to remove my feet as it had got stuck ______ in the mud." Choose the correct option.

Given data

• Construction: "stuck ______ in the mud".

Concept/Approach
The fixed idiom is "stuck fast" meaning firmly stuck and hard to move. Here it collocates naturally with being stuck in mud.

Option analysis
fast — correct idiomatic intensifier in "stuck fast". ✅badly — grammatical but far less idiomatic; does not convey the fixed expression.tightly — used with bindings, not typically with mud.deep — refers to depth rather than immovability.

Final Answer
fast