(Could I possibly ask you to fix the AC?) Answer 3: [この箱、運ぶ]
彼は 何を 言いましたか。→ 彼は 何を 言っ たんですか 。 2. Renshuu B-2: Creating Explanations (~んですか) Minna No Nihongo Lesson 26 Renshuu B Answers
Answer: Kodomo wa asobu no ga tanoshii desu. Translation: The child enjoys playing. (Could I possibly ask you to fix the AC
Explanation: "I lost my passport, where should I contact?" Minna No Nihongo Lesson 26 Renshuu B Answers
どうして遅れたんですか。[バスが来なかった]
In Exercise 3, we see "~n desu ga." This "ga" doesn't mean "but." It acts as a cushion to let the listener know you are about to ask for a favour, making your request less abrupt.
(It's because the bus didn't come.)