Answer: C) Change the question format, adjust verb tense, and modify pronouns.
Explanation for this question is being written.
Answer: B) Are you doing.
Answer: A) He inquired when I had gone there.
Answer: B) I asked where he would be the next day in case I had to ring him.
Answer: A) John asked Mary why she got angry with him.
Answer: D) Charles asked Camille if she wanted to go to the US with him.
Answer: A) Direct Speech.
Answer: C) What I was talking about.
Answer: D) Where I had gone.
Answer: C) They inquired where the nearest gas station was.
Answer: C) Can you help me with my bags?
Answer: A) Were we supposed.
Answer: A) Jen asked him how often his boss sent him an e-mail.
Answer: C) The party starts.