There is no use trying to drink spilt milk idiom meanng?

In marian anderson sings the author begins the story by putting the reader right in the middle of the action what is the yearn for this type of organization

Which words in this excerpt from the count of monte cristo can be used as synonyms to determine the meaning of the word grotto? dant? s entered the second grotto. the second grotto was lower and more gloomy than the first; the air that could only enter by the newly formed opening had the mephitic smell dant? s was surprised not to find in the outer cavern. he waited in order to allow pure air to displace the foul atmosphere, and then went on. 1. air 2. opening 3. mephitic 4. cavern 5. pure 6. atmosphere

Someone get back to me , i really don’t get this