Answer: A) The project has been finished by the students.
Explanation for this question is being written.
Answer: C) The biscuits have been eaten by the students.
Answer: D) Has been written.
Answer: A) Have been.
Answer: A) My application has been filled by him.
Answer: B) Active voice-Present perfect tense.
Answer: C) Installed
Answer: A) Active voice.
Answer: C) Has the tea been sold by the gorcer?
Answer: C) They have solved the problem.
Answer: B) Has been polluted.
Answer: B) Has been made.
Answer: E) My secretary has sent the important email.
Answer: B) Passive
Answer: B) Deleted
Answer: B) 3rd singular perfect passive indicative.
Answer: C) The project has been completed.
Answer: D) Has her hair cut.
Answer: D) Have been sent.
Answer: C) The assignment has been completed by him.
Answer: A) Active
Answer: A) I haven't been sent that letter.
Answer: B) Move
Answer: C) An English course has been taken by Sam.
Answer: B) Has / been eaten.
Answer: D) Hasn't been written.
Answer: D) The boy has opened the window.
Answer: C) Have been arrested.
Answer: A) Skis have been produced here since 1964.
Answer: A) The garden has been damaged because of the use of heavy materials.
Answer: C) Hasn't been sent.
Answer: A) Have decided.
Answer: B) Passive voice.
Answer: B) A novel has been written by her.
Answer: B) A meeting has been arranged by them.
Answer: B) Hasn't been written.
Answer: A) X
Answer: B) Have not been announced.
Answer: A) The company was founded about a year ago.
Answer: C) The reservation has been made by her.
Answer: C) Grammar lessons in English have been taught by the teacher.
Answer: B) Taken out.
Answer: A) The car has been washed with the new shampoo.
Answer: A) Acitve
Answer: C) Delivered
Answer: C) Are shoes made.
Answer: A) Has the cake been eaten by him?
Answer: B) The report has been finished.
Answer: A) Have been used.
Answer: B) My watch has been stolen.
Answer: C) The room hasn't been cleaned for two months.
Answer: D) Have been checked out.
Answer: C) Have they cleaned the room yet?
Answer: C) The package has been delivered.
Answer: A) Has been found.
Answer: C) The case has been being investigated by the police for months.