What is the difference between "We wanted to surprise her but John gave it away." and "We wanted to surprise her but John let the cat out." and "We wanted to surprise her but John spilled the beans." and which one is more common and natural? ?

27 Oct 2017

Native language
Spanish (Mexico) Near fluent
Closed question
Question about English (US)
What is the difference between "We wanted to surprise her but John gave it away." and "We wanted to surprise her but John let the cat out." and "We wanted to surprise her but John spilled the beans." and which one is more common and natural??
Feel free to just provide example sentences.