Multiple choice general knowledge math & puzzles

Choose an idiom to replace the expression in the brackets: The young boy (pretended to be asleep) when his friend came into the room.

  1. went to the dogs

  2. put on the dog

  3. served as a guinea pig

  4. played possum

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

To 'play possum' is an idiom meaning to pretend to be asleep or dead to deceive someone, derived from the behavior of opossums. 'Served as a guinea pig' means being a test subject, and 'put on the dog' means to behave in a showy way.