Answer: C) Had been.
Explanation for this question is being written.
Answer: C) Had listened.
Answer: B) Had stolen.
Answer: C) Had worked.
Answer: B) Past perfect.
Answer: A) Had finished.
Answer: C) Had planned.
Answer: B) Had lived.
Answer: D) D
Answer: A) Had just gone.
Answer: D) Had finished.
Answer: C) Hadn't
Answer: C) Had been dubbed.
Answer: A) Hadn't finished.
Answer: D) Past Perfect.
Answer: A) Had completed.
Answer: B) Had finished-went.
Answer: D) Had brought.
Answer: B) Had done.
Answer: B) Past PerfectTense.
Answer: B) Had finished.
Answer: B) Had taken.
Answer: C) Had gone.
Answer: A) Had
Answer: B) Had traveled.
Answer: D) Had written.
Answer: C) Had never met.
Answer: B) Had eaten.
Answer: C) Had forgotten.
Answer: B) Had never been.
Answer: B) Had been stolen.
Answer: A) Had gone / arrived.
Answer: C) Had eaten.
Answer: A) Had started.
Answer: C) Had already finished.
Answer: B) Had happened.
Answer: C) Had already gone.
Answer: C) Something that happened before a past event.
Answer: B) Had sold.
Answer: A) Had seen.
Answer: A) Past perfect tense.
Answer: C) Had stolen.
Answer: D) Had lived.
Answer: B) Hadn't slept.
Answer: D) Had locked.
Answer: A) Had admitted / would be continuing.
Answer: C) Had written.
Answer: B) Had not slept.
Answer: B) Had completed.
Answer: A) Past Perfect Tense.
Answer: C) Had left.
Answer: A) Had bought.
Answer: B) Had
Answer: A) Had not brought.
Answer: C) Had revised the lessons.