1. Candy asked me if I had ever read an astronomy book.
⇒Have you ever read an astronomy book? Candy asked me.
2. "I'll let you know if I have any more problems" Carol told her father.
⇒Carol told her father he would let him know if he had any more problem.
3. The professor told us that the Moon was more than 380000 km from the Earth.
⇒The moon is more than 380000 km from the earth the professor told us.
4. "When did the Kepler mission end?" Mark wanted to know.
⇒Mark wanted to know when the Kepler mission ended.
5. Daniel asked me if I was going to see lunar eclipse the following day.
⇒Are you going to see the lunar eclipse tomorrow Daniel asked.
6. The customers said that they had been waiting for more than two hours.
⇒"We have been waiting for more than two hours." The customers said.
7. "Can you help me with this tricky math question?" Tim asked his sister.
⇒Tim asked his sister if she could help him with that tricky math question.
8. "NASA is sending a helicopter to Mars next year" NASA's administrator said.
⇒NASA's administrator said that NASA was sending a helicopter to Mars the next year.
9. They wondered where on Mars humans might first land.
⇒"Where on Mars may humans first land?" They wondered.
10. Gwen asked if the spaceship Voyager had flown past Pluto three weeks before.
⇒" Did the Spaceship Voyager fly past Pluto three weeks ago?" Gwen asked.