Answer: B) Past simple-Past perfect.
Explanation for this question is being written.
Answer: D) Had found-immediately went.
Answer: A) Had tried on, went.
Answer: A) Recognized, had met.
Answer: C) Left
Answer: C) Hadn't congratulated.
Answer: C) Arrived
Answer: B) Had taught/left.
Answer: B) Had left, flew.
Answer: A) Had already left / got home.
Answer: A) Had washed/sold.
Answer: B) Had caught, arrived, will receive.
Answer: B) Felt/had eaten.
Answer: A) Had cleaned/watched.
Answer: A) Was; had called.
Answer: C) Had bought, was holding.
Answer: A) Came/ had finished.
Answer: E) Past Perfect.
Answer: C) Had left/arrived.
Answer: A) They had gone home before we arrived.
Answer: B) Left
Answer: A) Came
Answer: A) CALLED / HAD HEARD.
Answer: B) I had finished homework before dinner.
Answer: C) Has gone.
Answer: A) Woke
Answer: B) Visited, had studied.
Answer: B) Wasn't excavated.
Answer: A) Was
Answer: B) Weren't going.
Answer: D) When he was young, he's never bothered too much about his appearance.
Answer: A) Had never seen, visited.
Answer: A) TRUE
Answer: B) Had worn / would not have missed.
Answer: C) Past perfect.
Answer: A) Had left-arrived.
Answer: A) Looked
Answer: B) Reached-had left.
Answer: A) Got
Answer: B) Had not slept.
Answer: B) Had listened/ would have been.
Answer: B) Fleeing occurred before arrival (earlier past before later past).
Answer: B) Tried / had already left.
Answer: C) Wouldn't have.
Answer: A) Had almost given/had gone.
Answer: A) Had cleaned / got.
Answer: B) Went / had parked.
Answer: D) Might have seemed.
Answer: A) Rang, had switched off.
Answer: B) Had been-came.
Answer: A) Had left, reached.
Answer: A) Had stayed.
Answer: C) Gave / had missed.
Answer: C) Had gone.
Answer: D) Called, had gone.
Answer: A) Past Perfect Tense.
Answer: B) Had already travelled.
Answer: D) Had finished-went.
Answer: A) Had given, left.
Answer: A) Had studied.
Answer: D) Earned