Answer: C) Have finished.
Explanation for this question is being written.
Answer: A) Has entered.
Answer: A) Known
Answer: C) Has lived.
Answer: B) Has changed.
Answer: B) Have read.
Answer: B) Have lived.
Answer: B) Have forgotten.
Answer: D) Have broken.
Answer: A) True
Answer: B) Has lived.
Answer: A) HAVE ARGUED.
Answer: D) Has taught.
Answer: A) Since
Answer: C) See
Answer: A) 've had.
Answer: A) Has been.
Answer: D) Haven't decided.
Answer: C) Has become.
Answer: A) Has already written.
Answer: B) I've already met with the sales director.
Answer: B) Has visited.
Answer: B) Have played.
Answer: D) Has cooked.
Answer: A) Has gone.
Answer: D) Has gone.
Answer: B) I have known him since childhood.
Answer: B) Have / completed.
Answer: A) Has cleaned.
Answer: A) Has read.
Answer: C) Has studied.
Answer: B) Have just gone.
Answer: D) Has got.
Answer: B) Have had.
Answer: C) Has
Answer: A) Already made.
Answer: A) Has gone up.
Answer: B) Has worn his mask.
Answer: C) Have been.
Answer: B) Hurry! The clock has struck twelve.
Answer: A) Correct, unfinished action.
Answer: A) Has worked.
Answer: C) Gone
Answer: C) Have visited.
Answer: C) Present perfect tense.
Answer: D) Has donated.
Answer: C) Have watched.
Answer: B) Has been.
Answer: A) Have / attended.
Answer: B) Has appeared.
Answer: D) Has made.
Answer: A) Has played.
Answer: B) The form of a verb used for action or events that have happened in a period of time up to now.
Answer: D) Have never worn a disguise.
Answer: A) S + have/has + V3/ed.