If im on the right track then a way to right it with dashes would be: Sacrificing her was a mistake-a mistake that could have been avoided. but i may not have understood the question??
Answer: I balve its 2 3 45
Explanation:
it is the way i read it
I'm not good in auditory tests, but hands-on tests I can handle. Might not be the best, F.Y.I
C: test it - you always should test to see if your theory is correct