Answer: C) We need to take a step back in the past to reported speech.
Explanation for this question is being written.
Answer: A) Would write a story.
Answer: C) Present continuous tense becomes past continuous tense.
Answer: B) Was
Answer: D) He said that He would buy a new cell phone.
Answer: B) Omair said he would watch the movie.
Answer: B) They asked her how much money she had put into the account.
Answer: C) Past continuous.
Answer: B) Watched
Answer: D) Had forgotten.
Answer: D) Would go.
Answer: A) Discovered
Answer: B) John said that he had eaten already.
Answer: B) Past simple.
Answer: B) Went
Answer: B) Understood
Answer: B) She wanted to know whether I could use a computer.
Answer: A) They said that they were watching a movie.
Answer: A) A
Answer: B) My father said that he would buy me a new bicycle the following week.
Answer: C) What the pupils studied.
Answer: C) He said that he wanted to go on vacation.
Answer: A) He would join English Club next year.
Answer: B) They said they would arrive at noon.
Answer: C) He said that he was busy that day.
Answer: D) The verb 'am' changes to 'was'.
Answer: C) If Mary had invited me, I would have gone to her birthday.
Answer: A) Would send.
Answer: A) Had I known.
Answer: C) She said that they had been living in Chicago when their son was born.
Answer: B) No one knew to where Dumnorix had fled.
Answer: D) Wouldn't have entered.
Answer: C) She said she had finished.
Answer: A) "She said that she didn't speak Thai.".
Answer: A) Tom said that he could swim very well.
Answer: A) Goes round.
Answer: C) It changes as in statements (e.g., past simple $\rightarrow$ past perfect).
Answer: D) He had to go then.
Answer: B) Had seen.
Answer: A) She mentioned that we had worked together for five years.
Answer: A) The verb tense 'will bring'.
Answer: C) Past continuous tense.
Answer: C) Simple past + present perfect.
Answer: B) He said that he would ring her.
Answer: C) Would visit.
Answer: D) The owner of the house is thought to have gone abroad.
Answer: B) She asked me where I lived.
Answer: B) They said they were going to travel shortly.
Answer: B) No
Answer: A) She had seen a movie.
Answer: D) She said that she had finished her project.
Answer: A) <variant>was
Answer: B) Johnny said that he liked to play.
Answer: C) Would
Answer: A) Was
Answer: A) He said that he saw her at the station two days before.
Answer: A) He said he was reading the newspaper.
Answer: B) He said that he had gone shopping the previous week.
Answer: B) She whispered so that she wouldn't wake the baby.
Answer: A) Wouldn't be.
Answer: C) They said that they were going to visit their grandma.