Answer: C) We have got Science on Monday.
Explanation for this question is being written.
Answer: B) Impact began in the past and remains relevant now.
Answer: B) Wanted
Answer: C) Have been.
Answer: C) Have / seen.
Answer: B) Has improved.
Answer: A) Has left.
Answer: A) Have
Answer: C) Have made.
Answer: C) Has met.
Answer: B) Has read.
Answer: A) Has lived.
Answer: D) We have lived here for fifteen years.
Answer: B) Have come.
Answer: D) I have visited London twice.
Answer: D) Still haven't done.
Answer: A) They have started the project.
Answer: A) Has
Answer: A) Have known.
Answer: A) Has / cleaned.
Answer: C) Have heard.
Answer: C) Present perfect.
Answer: D) Have watched.
Answer: C) Have increased.
Answer: B) Haven't seen.
Answer: A) Present Perfect.
Answer: A) Have already cleaned.
Answer: D) Subject + have/has + past participle.
Answer: C) Has lived.
Answer: B) Has gone.
Answer: A) Has broken.
Answer: A) Have stayed.
Answer: A) Have lived.
Answer: C) Present Perfect.
Answer: C) Has
Answer: B) Has been.
Answer: A) PRESENT PERFECT TENSE.
Answer: A) B
Answer: C) The policeman have arrested the criminals.
Answer: B) They have studied grammar.
Answer: B) Has, walked.
Answer: C) Has lost.
Answer: A) A
Answer: C) Have gone.
Answer: A) Since
Answer: B) I have walked recently.
Answer: A) Perfect tense.
Answer: B) Has won.
Answer: A) Has won.
Answer: A) Have finished.
Answer: A) Have climbed.
Answer: A) Correct
Answer: C) Have worked.
Answer: C) Has known.
Answer: D) I have visited the museum.
Answer: A) Has been.