Multiple choice general knowledge math & puzzles

Choose an idiom to replace the expression in the brackets: You should (not worry about the problems from before). It is too late to do anything about them.

  1. lock the barn door after the horse is gone

  2. let sleeping dogs lie

  3. buy a pig in a poke

  4. bark up the wrong tree
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

To 'let sleeping dogs lie' means to avoid interfering in a situation or bringing up old problems that are currently causing no trouble. 'Barking up the wrong tree' means following a mistaken line of thought.

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