--“Did you blame him for his mistakes? --“Yes, but it. [ ] A．I shouldn't have do
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![--“Did you blame him for his mistakes? --“Yes, but it. [ ] A．I shouldn't have do](/pic/43_773573.jpg)
--“Did you blame him for his mistakes?”
--“Yes, but ________ it.”
[]
A．I shouldn't have doneB．I shouldn't doC．I should have doneD．I should do
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