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Help Dr. Von Spark write his rather unusual employment contract. Select ALL the conditional conjunctions that correctly and logically complete his offer.
"I will let you operate the experimental Quantum Toaster, _____ you wear these lead-lined underpants at all times."
The correct answers are provided that, on condition that, and as long as.
Provided that, on condition that, and as long as are all conditional conjunctions used to say that one thing will happen only if another specific condition is met (often imposing a restriction or rule).
Supposing is used for imaginary or hypothetical situations (usually at the beginning of a question), and unless means "if not," which would completely change the meaning to a disastrous outcome!