Answer: C) The kitchen had been cleaned by them.
Explanation for this question is being written.
Answer: B) Had Mona written this paper?
Answer: E) Jimmy Thompson had directed this comedy action movie.
Answer: A) IT COULD HAVE BEEN DONE.
Answer: B) Many cars had been repaired by George before he received his mechanic's license.
Answer: B) Had new tiles put.
Answer: B) Heidi had her nails done by a manicurist.
Answer: B) Are reported to have been.
Answer: B) Passive Voice.
Answer: A) A sand sculpture had been made by Berik.
Answer: B) Had been made.
Answer: C) The committee decorated the room before the party.
Answer: A) If the room had been cleaned, we would have been comfortable.
Answer: C) Water had been boiled by us.
Answer: A) The plan had been approved by the manager before the meeting.
Answer: B) Passive
Answer: C) A song had been composed by him.
Answer: B) Wrong
Answer: A) Had his flat burgled.
Answer: D) Were we allowed.
Answer: B) Had already been sent.
Answer: B) Someone else repaired the watch for the speaker.
Answer: B) Someone repaired the roof for us.
Answer: B) Contaminated
Answer: A) Three books had been written by Hemingway before 1867.
Answer: B) The project had been completed by them.
Answer: A) The book had been read by the students.
Answer: A) Soccer had been played by Lukas last week.
Answer: B) Passive voice.
Answer: B) Finished
Answer: C) Reality had been transformed by the drama.
Answer: D) Had been burnt.
Answer: C) Had been discovered.
Answer: A) Active
Answer: D) Had been cancelled.
Answer: D) A new suitcase had been picked up by Granth.
Answer: B) Had been + eaten.
Answer: A) The rocket had already been launched by the NASA when the FBI called up.
Answer: D) The speech had been delivered by her.
Answer: A) If the error had been discovered, the problem would have been solved.
Answer: A) If I had been invited, I would have attended.
Answer: B) They were thought that the temple had been destroyed by a fire.
Answer: B) We had someone else clean our clothes.
Answer: A) The work had been done by him.
Answer: A) I found that the match had been cancelled.
Answer: A) Someone had opened the door.
Answer: B) They had been arrested by the police.
Answer: C) The assignment had been completed by her.
Answer: C) I had my car washed by my brother.
Answer: A) A marketstore had been sold by Samara.
Answer: A) Wouldn't have been sacked.
Answer: A) Had been V3.
Answer: B) Active voice.
Answer: E) Having been found / to pay.
Answer: B) Would have been gotten.
Answer: B) The work had not been completed by them before sunset.
Answer: B) Been woken.
Answer: D) Are believed to have existed.
Answer: B) He had been turned.