10. Bob asks, "What is Kim's native language?"
- Bob wants to know **what Kim's native language is**.

11. Bill's father said to him, "What's the problem?"
- Bill's father asked him **what the problem was**.

12. George asked me, "What time do I have to be at the laboratory in the morning?"
- George asked me **what time he had to be at the laboratory in the morning**.

13. John asked, "Who should I give the message to?"
- John asked me **who he should give the message to**.

14. Nancy asked, "Why didn't you call me last night?"
- Nancy asked her boyfriend **why he didn't call her last night**.

15. He asked, "Who sent this gift to me?"
- He wondered **who had sent the gift to him**.

16. She asked him, "Who bought that tie for you?"
- She asked him **who had bought that tie for him**.

17. "Did you enjoy your trip?" asked Connie.
- Connie asked me **if I had enjoyed my trip**.

18. Nancy asked, "Have you seen my new grammar book?"
- Nancy wanted to know **if I had seen her new grammar book**.

19. "Have you finished the above sentences?" asked his friend.
- His friend asked him **if he had finished the above sentences**.

20. The teacher asked all of the students, "Do you understand what I'm explaining?"
- The teacher asked all of the students **if they understood what she was explaining**.