Answer: A) Had been lost.
Explanation for this question is being written.
Answer: C) The rule had been explained clearly.
Answer: B) Passive
Answer: B) Had his flat burgled.
Answer: A) Active
Answer: A) The group had shared the ideas.
Answer: A) Had learned.
Answer: D) Wasn't heard by Linguini because he was sleeping.
Answer: B) The problems had been solved very well.
Answer: B) I think Tom should have been offered the job.
Answer: A) Passive past perfect.
Answer: B) I had my car washed.
Answer: B) Painted
Answer: B) Had been eaten.
Answer: C) Past Perfect Passive.
Answer: B) A snake had been killed by the farmer.
Answer: A) The job had been finished before noon.
Answer: C) Had found.
Answer: A) If the computer had been repaired, the report would have been finished.
Answer: D) Were signed.
Answer: C) The hour of the meeting had been changed by the president.
Answer: C) She had her watch repaired last week.
Answer: B) The assignment had been finished before the deadline.
Answer: B) B-He had already been contacted.
Answer: B) Had been Ved/3.
Answer: A) Active Voice.
Answer: B) Had been + past participle.
Answer: A) You had been helped so many times.
Answer: C) Past perfect\{active voice\}.
Answer: C) The house had been destroyed by fire.
Answer: B) Had been moved.
Answer: B) Had been extended / might be extended.
Answer: B) Had been.
Answer: A) The fence had been painted by him.
Answer: D) Pluperfect passive.
Answer: D) Had been burned.
Answer: B) A new car had been bought by him.
Answer: C) Shortened
Answer: B) Because "had been signed" indicates an action completed before another past action.
Answer: B) The work had been completed before evening.
Answer: A) The meeting had to be postponed because of illness.
Answer: A) The movie had been watched before it was reviewed.
Answer: C) Hadn't been taken.
Answer: A) I had been getting the report typed by my assistant.
Answer: C) Shields out of animal hide had been made to protect themselves.
Answer: C) Had been taken.
Answer: B) A colourful hat had been bought by Malini for her daughter.
Answer: C) The flood had been caused by heavy rain.
Answer: A) Had his car fixed.
Answer: B) Had a lot of books burned.
Answer: A) All the food had been eaten when they arrived.
Answer: C) Somebody proofread mu paper.
Answer: A) Had the Google Meet been recorded?
Answer: A) The homework had been finished by us.