Answer: B) Was + had slipped.
Explanation for this question is being written.
Answer: A) Had found.
Answer: B) Met / hadn't seen.
Answer: C) Had watered / began.
Answer: C) Bought,haven't sold.
Answer: A) Arrived / had left.
Answer: B) Had gone-stole.
Answer: B) PAST PERFECT.
Answer: E) Saw, had broken, stopped.
Answer: B) Had sent, met.
Answer: A) Arrived
Answer: A) Had lived/moved.
Answer: B) Arrived / had.
Answer: B) Had already posted-realized-sent.
Answer: C) Had made-hit.
Answer: C) Came/ had forgotten.
Answer: B) Went, had done.
Answer: B) Had left / returned.
Answer: B) Saw/ didn't recognize / had lost.
Answer: B) Hiroko was chairing many office committees.
Answer: A) Gave, hadn't finished.
Answer: A) Hadn't had, arrived.
Answer: C) Arrived / had left.
Answer: A) Had sat-was.
Answer: A) Wanted / would have moved.
Answer: B) Met
Answer: B) Past Perfect.
Answer: C) An action had already happened and another finished, and are related to each other.
Answer: A) Had tidied, came.
Answer: C) Had been.
Answer: B) It's the action that happened first.
Answer: A) Had finished.
Answer: A) TRUE
Answer: B) Had gone.
Answer: A) Had been finished-came.
Answer: B) Had seen; came.
Answer: B) Before, after.
Answer: D) Mandy had practiced the dance before she made the TikTok video.
Answer: A) Got
Answer: B) Had left/ called.
Answer: B) Gave / had picked.
Answer: A) False
Answer: B) Had lost my keys.
Answer: B) Had changed.
Answer: C) Helped/had finished.
Answer: D) Had
Answer: A) Had just gone, arrived.
Answer: B) Had watched / went.
Answer: A) Left, had given.
Answer: D) Arrived/ had left.
Answer: B) Had to change / couldn't find.
Answer: B) Had left / arrived.
Answer: B) Had danced / ended.
Answer: A) HAD NEVER USED / ATTENDED.
Answer: C) Had owned / sold.
Answer: D) Went / had not paid.
Answer: D) Had, made.
Answer: B) False
Answer: B) Had followed.
Answer: A) I ate.