Answer: A) Had bought.
Explanation for this question is being written.
Answer: B) Past perfect tense.
Answer: D) Had already bought.
Answer: C) Had bought.
Answer: B) Had written.
Answer: B) She had left before he arrived.
Answer: A) Had stopped.
Answer: A) Had/finished
Answer: A) Had gotten.
Answer: D) She had finished her homework before the teacher arrived.
Answer: A) Had studied.
Answer: C) Had been.
Answer: B) Had already rung, arrived.
Answer: A) Had left, had loved.
Answer: A) Had eaten.
Answer: A) True
Answer: A) Had already left.
Answer: A) Had set.
Answer: B) Had already been offered.
Answer: D) Given
Answer: D) Had moved.
Answer: B) Had enjoyed.
Answer: A) Was / had described.
Answer: A) Had boarded.
Answer: B) Had lived.
Answer: B) Had
Answer: A) Had been.
Answer: C) Had eaten.
Answer: B) Had never been.
Answer: B) PAST PERFECT.
Answer: B) You had had many problems before you came.
Answer: A) Had seen.
Answer: A) Had already completed.
Answer: D) She had gone to the store before it closed.
Answer: B) Had been overheard.
Answer: C) Had exploded.
Answer: A) Had already started.
Answer: C) Had done.
Answer: B) Had finished.
Answer: A) Had
Answer: B) Past Perfect.
Answer: B) Yes, I had.
Answer: A) Had managed.
Answer: A) Had taken.
Answer: B) We had shouted.
Answer: A) Had closed.
Answer: A) Had lost.
Answer: A) He had eaten breakfast.
Answer: B) Had got.
Answer: A) Had, ended.
Answer: C) Had
Answer: C) Had completed.
Answer: C) Had studied, asked.