Question

Fill in the blank with an appropriate option:
You must wear a helmet _____ there is an accident.

• A. provided that
• B. supposing
• C. in case
• D. unless

Answer 1

Answer: (C)

in case

The phrase 'in case' is used to indicate or talk about a scenario that might occur in the future. Often the phrase is used to prescribe an action to protect one or prepare oneself from the upcoming event in question. Thus, Option C) is correct, as all the other options are inappropriate to be used to warn someone of safety precautions 'in case' of an accident.