Verb choice (logic/meaning): Select the verb that best completes the sentence “You cannot devise a method which ______ all possibility of errors.” Pick the word that expresses complete ruling out.

Given data

• Goal: A method that leaves no possibility of errors.

Concept/Approach
Exclude = keep out/eliminate from consideration; that is what removes “all possibility.”

Option analysis
excludes — correct: shuts out all possibility.includes — opposite meaning.avoids — subject performs the avoiding; does not pair naturally with “all possibility of errors.”ignores — to pay no attention; does not remove the possibility.

Common pitfalls
Selecting “avoids” because it sounds close; grammatically and semantically weaker than “excludes.”

Final Answer
excludes