Answer: D) Had gone.
Explanation for this question is being written.
Answer: C) Had read.
Answer: A) Had finished.
Answer: B) Had been repaired.
Answer: B) Past Perfect Simple.
Answer: B) Had come out.
Answer: C) Past perfect tense-past tense.
Answer: B) Had
Answer: B) Had had.
Answer: D) Had cooked.
Answer: B) Had been.
Answer: B) Had taught.
Answer: A) Had planned.
Answer: B) Past perfect.
Answer: B) B
Answer: C) Had stopped.
Answer: A) Hadn't realised.
Answer: D) Past perfect.
Answer: B) Had + past participle.
Answer: C) Had
Answer: B) Had done; had made.
Answer: B) Was
Answer: A) Hadn't read.
Answer: C) Didn't feel, had eaten.
Answer: C) Had been.
Answer: C) Past Perfect.
Answer: B) Had already started.
Answer: C) Had injured.
Answer: B) Had watched.
Answer: A) Had
Answer: C) Had followed.
Answer: C) PAST PERFECT, PASSIVE.
Answer: D) Had chosen.
Answer: B) Had studied.
Answer: A) Had gone to bed.
Answer: B) 'd forgotten.
Answer: B) Had been written.
Answer: C) Didn't want/had forgotten.
Answer: A) Past perfect.
Answer: C) Had gone.
Answer: B) Yes, he had.
Answer: B) Had made.
Answer: C) Hadn't started.
Answer: C) Hadn't played.
Answer: D) Had learnt.
Answer: A) Had known.
Answer: C) Had had.
Answer: A) Had sung.
Answer: D) Had left.
Answer: A) Had they seen that movie before?
Answer: C) Hadn't heard.
Answer: B) Had finished.
Answer: D) Had phoned / left.
Answer: C) Was created.
Answer: C) Had already.
Answer: B) Had left.