Answer: C) Had finished.
Explanation for this question is being written.
Answer: A) Past Perfect.
Answer: C) Pluperfect
Answer: B) Had read.
Answer: B) Had
Answer: D) Had been.
Answer: C) Had seen.
Answer: C) Had already left.
Answer: C) Had you completed / I was still writing.
Answer: B) Past Perfect.
Answer: B) Had written.
Answer: A) Had already been.
Answer: A) Had
Answer: D) Had + subject + past participle.
Answer: D) Hadn't bathed.
Answer: B) Had studied.
Answer: B) Had repaired.
Answer: A) Action completed before another past action.
Answer: C) Found / had thrown.
Answer: D) Had, visited.
Answer: A) Had lived.
Answer: C) Had gone.
Answer: C) Had cooked.
Answer: D) He had watched a scary movie.
Answer: A) Had been.
Answer: A) The storm had ended before we reached home.
Answer: B) Hadn't called.
Answer: A) Had, woke.
Answer: B) Had met.
Answer: C) Had already gone.
Answer: A) Had finished.
Answer: C) Had watched.
Answer: C) All the windows had been cleaned before the storm.
Answer: A) Had seen.
Answer: B) Past Perfect Tense.
Answer: C) The movie had started.
Answer: A) Had studied.
Answer: B) Had not finished.
Answer: B) Had heard.
Answer: B) Had gone.
Answer: D) After we had finished housework.
Answer: A) You (s) had carried.
Answer: A) Yes
Answer: E) Had read.
Answer: B) Hadn't got.
Answer: A) We have an action before another point in the past.
Answer: C) Didn't leave-had finished.
Answer: B) PAST PERFECT.
Answer: D) Hadn't contacted.
Answer: A) Had / was painting.
Answer: A) Had learned.
Answer: D) Hadn't studied.
Answer: B) Had changed.
Answer: B) Had done.
Answer: B) Had been.
Answer: B) Had finished.