Answer: B) Had watched.
Explanation for this question is being written.
Answer: B) Had arrived.
Answer: D) Had left.
Answer: C) Had been ratified.
Answer: A) Had expected.
Answer: B) Had forgotten.
Answer: B) Had signed.
Answer: D) Had ordered.
Answer: B) Had
Answer: C) Went
Answer: A) Had
Answer: A) Had gone.
Answer: A) Had read; threw.
Answer: B) Had buckled.
Answer: D) Had done.
Answer: D) Had had / went.
Answer: C) Had already bought.
Answer: A) Had wanted.
Answer: B) Had visited.
Answer: B) Had barked.
Answer: B) Past perfect.
Answer: A) Past perfect.
Answer: D) Had studied.
Answer: B) Had ended.
Answer: A) Because another partner had done it.
Answer: A) Past Perfect Simple.
Answer: C) Had
Answer: B) Had seen.
Answer: D) Had he tried.
Answer: D) Had received.
Answer: A) True
Answer: B) Past Perfect.
Answer: B) The meeting had been finished before lunch.
Answer: A) Had known.
Answer: A) Pluperfect
Answer: D) Had watched.
Answer: B) Had planned.
Answer: C) HAD TAUGHT.
Answer: C) PAST PERFECT, ACTIVE.
Answer: C) HAD GONE.
Answer: A) Had listened.
Answer: D) Past perfect.
Answer: C) Hadn't finished; went.
Answer: B) Had eaten.
Answer: C) Hadn't studied.
Answer: B) HAD
Answer: A) Perfect Tenses.
Answer: B) King's boys had found and beaten Mr. Lewis.
Answer: C) Had forgotten.
Answer: B) Had read.
Answer: C) Had crashed.
Answer: A) Had gone home.
Answer: B) Had baked.
Answer: B) Had studied.
Answer: C) Had worked.
Answer: B) Took
Answer: D) Had
Answer: A) Had finished.