Answer: A) Had
Explanation for this question is being written.
Answer: A) Past Perfect.
Answer: B) HAD
Answer: C) Had studied.
Answer: C) Had packed.
Answer: C) Had-achieved
Answer: B) Had only used.
Answer: B) Had gone.
Answer: A) The verb 'had' + the past participle of the main verb.
Answer: A) Come
Answer: C) Had always liked.
Answer: B) Had seen.
Answer: B) Had died.
Answer: D) Had escaped.
Answer: C) Hadn't had, arrived.
Answer: A) True
Answer: A) Left
Answer: A) Hadn't started.
Answer: B) FALSE
Answer: D) I had made.
Answer: B) Had prepared.
Answer: C) Had won.
Answer: B) Had lost.
Answer: B) Had practiced.
Answer: A) Past
Answer: C) Had had.
Answer: A) Had completed.
Answer: A) Had been introduced.
Answer: A) He had never seen the ocean before.
Answer: A) Had stolen.
Answer: A) Had missed.
Answer: A) Had just finished.
Answer: A) Had gone.
Answer: A) Had been told.
Answer: B) Had lived.
Answer: B) Had already put.
Answer: C) Had; taken.
Answer: D) Had already gone.
Answer: C) Had eaten.
Answer: B) Had stopped.
Answer: A) Had given.
Answer: A) Had taken.
Answer: D) Would have colonized.
Answer: B) Had eaten.
Answer: A) Had brought.
Answer: B) Had, fixed.
Answer: B) Had started.
Answer: A) I had finished my homework before my friend called.
Answer: B) Had agreed.
Answer: A) Had decided.
Answer: B) Past perfect.
Answer: B) Had planned.
Answer: C) Had waited.
Answer: C) Had finished.
Answer: A) The film had already started.
Answer: A) Had left.
Answer: B) Had thought.
Answer: A) Had been sold.
Answer: A) Had already seen.