Answer: A) NO CHANGE.
Explanation for this question is being written.
Answer: B) Have called, didn't come.
Answer: C) Have never seen.
Answer: A) Bought, has, bought.
Answer: A) The time of the action.
Answer: B) Was
Answer: B) Already
Answer: A) Have not decided.
Answer: A) Read / hasn't read.
Answer: C) Lived
Answer: C) It's been two years since my grandfather passed away.
Answer: B) NO
Answer: A) We have not spoken to your sister for a long time.
Answer: B) Up to now / for / since / just / ever / never / before.
Answer: C) Has won / won.
Answer: A) Have not played/were.
Answer: B) Had
Answer: B) I saw the concert refers to a specific past event; I have seen the concert indicates an experience relevant to the present.
Answer: B) B
Answer: D) Has lived.
Answer: B) False
Answer: B) Did you friends buy.
Answer: B) Has worked / sent.
Answer: B) Have liked / met.
Answer: D) Have you seen // I saw.
Answer: B) Moved / has performed.
Answer: A) Has
Answer: A) Present Perfect.
Answer: C) Saw
Answer: B) Hasn't used/ showed.
Answer: A) Ages, had.
Answer: A) Woke
Answer: B) An action or situation totally finished in the past.
Answer: A) Yesterday
Answer: B) Lived
Answer: B) The sale on the price of grooming and tools is over.
Answer: A) Have you ever been.
Answer: B) Since 2010.
Answer: D) Didn't wear, have worn.
Answer: A) Watched/ was.
Answer: B) When did you start working as a designer?
Answer: B) Didn't see.
Answer: D) Has stolen.
Answer: C) Since
Answer: A) Same
Answer: A) Had you had breakfast before you came here?
Answer: A) I know.
Answer: D) 've read.
Answer: B) The sentence should be 'I studied yesterday.'.
Answer: A) I bought a pet parrot at the zoo yesterday.
Answer: A) Past simple."I went to school yesterday.""Two hours ago, I ate lunch.".
Answer: D) Drove
Answer: B) Have seen, hasn't finished.
Answer: B) Has written.
Answer: C) Bought-haven't built-yet.
Answer: C) Fell / hasn't come.
Answer: A) She started teaching her children to play piano 4 years ago.
Answer: D) Requested / haven't received.