Answer: C) Could have worked.
Explanation for this question is being written.
Answer: B) Couldn't have solved.
Answer: C) Could have lost.
Answer: D) Could have escaped.
Answer: C) Have
Answer: A) Could have been.
Answer: A) Could have left.
Answer: A) Have
Answer: C) Can't have expected.
Answer: A) Could have.
Answer: B) Could have.
Answer: A) Could have lent.
Answer: A) Busy doing yard work all day.
Answer: C) Could have.
Answer: B) You could have been injured.
Answer: B) B
Answer: A) Couldn't
Answer: B) Could have gone.
Answer: C) Had
Answer: B) They could have stolen the store.
Answer: B) Could have let.
Answer: A) Could have taken.
Answer: A) Couldn't have done it.
Answer: A) Couldn't have seen.
Answer: C) They could have done.
Answer: C) Couldn't
Answer: B) Could
Answer: A) It could have been a mistake.
Answer: A) Have worked.
Answer: C) Could have got.
Answer: B) Could stay.
Answer: A) Could have decided.
Answer: A) Could not have.
Answer: A) Could have been killed.
Answer: A) Who could have helped me?
Answer: A) Could
Answer: B) Could have been.
Answer: C) Couldn't they?
Answer: C) Could
Answer: A) Could have said.
Answer: E) Couldn't
Answer: B) Could have called.
Answer: A) Could have hurt.
Answer: D) Could
Answer: B) I could have done better on the test.
Answer: C) Could have bought.
Answer: B) To live.
Answer: C) Couldn't have been.