Answer: B) Past perfect.
Explanation for this question is being written.
Answer: D) Had asked / to find.
Answer: C) Had
Answer: C) Had done.
Answer: A) Become
Answer: A) Claire had finished her homework before her mom asked her to wash the plates.
Answer: A) Homework was finished before another event.
Answer: B) Hadn't seen.
Answer: A) Had been hijacked.
Answer: C) A
Answer: A) Had lived.
Answer: A) Yes
Answer: C) Had attended.
Answer: D) Had fought.
Answer: A) S + had + V3/ed.
Answer: C) Had invited.
Answer: A) Had left.
Answer: A) Had eaten.
Answer: D) Had visited.
Answer: A) True
Answer: C) Had lost.
Answer: C) Had scored.
Answer: D) Had lived.
Answer: B) Had met.
Answer: C) Attended, had eaten.
Answer: C) Had never visited.
Answer: A) Had
Answer: A) Had started.
Answer: C) Had had.
Answer: C) Had taken.
Answer: B) Had answered.
Answer: C) Had reached.
Answer: C) Had tried.
Answer: B) Had cleared,arrived.
Answer: A) Past perfect.
Answer: D) Had eaten.
Answer: A) Past Perfect Tense.
Answer: C) Had misplaced.
Answer: B) He had never traveled abroad until last year.
Answer: B) Past Perfect.
Answer: A) Had broken.
Answer: C) Had escaped.
Answer: A) We had already left when the movie started.
Answer: A) I hadn't realised .
Answer: B) Had told.
Answer: C) They had finished the project.
Answer: A) Past Perfect.
Answer: B) Had done.
Answer: A) They'd eaten.
Answer: A) Had been written.
Answer: A) S + had + V3.
Answer: D) He had locked.
Answer: D) Had submitted.
Answer: C) I had seen the movie before it was released in theaters.
Answer: C) She had finished her project.
Answer: A) The package had included a free gift.
Answer: A) Had watched.