Choose the best conjunction: "You cannot enter the testing room ___ you present a valid ID."
Correct answer: C. unless
"Unless" means "if not": you cannot enter if you do not present a valid ID. It introduces the condition that must be met.
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Answer and explanation
The correct answer is C. unless
"Unless" means "if not": you cannot enter if you do not present a valid ID. It introduces the condition that must be met.
Topic: Parallelism, Conjunctions and Transitions MCQs · Subject: Verbal Ability (English)