Answer: A) Had disappeared.
Explanation for this question is being written.
Answer: A) Abil had eaten ice cream when Avin knocked Abil's house.
Answer: A) Had already confirmed.
Answer: A) Had left.
Answer: A) Had died.
Answer: D) Had just left.
Answer: A) Had started.
Answer: D) Had worried.
Answer: A) Had come.
Answer: A) Past Perfect Tense.
Answer: C) Had finished.
Answer: B) Had already left.
Answer: A) Had eaten.
Answer: A) Had had.
Answer: D) Had known.
Answer: A) Had eaten/ began.
Answer: C) Had+ v3.
Answer: A) Had lost.
Answer: D) Had
Answer: A) I had relaxed.
Answer: A) Had hoped.
Answer: A) Had managed to.
Answer: A) Had been reviewed / were presented.
Answer: A) Had reviewed.
Answer: A) Had already lost.
Answer: A) Had forgotten.
Answer: A) Had to repeat.
Answer: C) Had been.
Answer: A) Had completed.
Answer: B) Had made.
Answer: B) Had attended.
Answer: A) Had
Answer: A) Had helped.
Answer: C) Had traveled.
Answer: D) I had eaten dinner before I went to the movie.
Answer: C) Had eaten.
Answer: A) Had he been appointed.
Answer: B) Had given.
Answer: D) Had finished.
Answer: D) Had played.
Answer: D) Third
Answer: D) Had given.
Answer: A) Had stayed.
Answer: B) Had discussed.
Answer: D) Had already left.
Answer: A) Had heard.
Answer: C) Had lain.
Answer: C) Had the driver.
Answer: B) Had left.
Answer: B) Had read.
Answer: B) Had moved.
Answer: A) Correct
Answer: A) Had washed.
Answer: B) Past perfect.
Answer: C) Had had.
Answer: A) Had had to.
Answer: D) Had become.