Answer: B) Had fastened.
Explanation for this question is being written.
Answer: D) Had finished.
Answer: A) Had made.
Answer: C) Had
Answer: A) Had already eaten.
Answer: D) Had already washed.
Answer: B) Had put.
Answer: D) Had already sent.
Answer: A) Had stayed.
Answer: C) Had finished.
Answer: A) Past perfect.
Answer: C) Had rained.
Answer: A) By the time he called, I had already finished my homework.
Answer: C) Had lived.
Answer: A) Had made an attack.
Answer: A) Had
Answer: D) Past perfect.
Answer: A) True
Answer: C) Had eaten.
Answer: B) Had
Answer: C) Had lost.
Answer: A) Had put up.
Answer: A) Had tried.
Answer: A) Had had.
Answer: D) Had had.
Answer: A) HAD
Answer: B) Had locked.
Answer: B) Had gone.
Answer: A) Had eaten.
Answer: D) Had built.
Answer: C) Died-had been.
Answer: A) Had written.
Answer: B) Had seen.
Answer: A) Had prepared.
Answer: B) He had made a mistake.
Answer: C) Had crashed.
Answer: C) Had thought.
Answer: A) Had already played.
Answer: A) She had had a hair cut.
Answer: A) Had closed.
Answer: B) Had bought.
Answer: A) Eaten
Answer: B) Had been.
Answer: B) Had left.
Answer: A) Hadn't seen.
Answer: A) Had it fixed.
Answer: B) Past perfect.
Answer: C) Had conducted.
Answer: B) Had had.
Answer: A) Had completed.
Answer: A) Had finished.
Answer: A) Had arrived.
Answer: B) Had eaten.