Fill in the blank with the correct idiom from the options given below:-

Despite all the difficulties, she never gave up because she believed that ____.

every cloud has a silver lining

The correct answer is Option (3) → every cloud has a silver lining

• Every cloud has a silver lining means that every difficult or unpleasant situation has a comforting or hopeful aspect, even if it is not immediately apparent.

• This idiom perfectly fits the context of someone facing difficulties but refusing to give up, suggesting they hold onto hope for a positive outcome. 

Why the Other Options are Incorrect 

• A penny for your thoughts: A way of asking someone what they are thinking. (Irrelevant to giving up/difficulties)

• Hit the nail on the head: To describe exactly what is causing a situation or problem. (Irrelevant)

• Burn the midnight oil: To work late into the night. (Irrelevant)