20. She told me she had seen a letter on my desk the day before.

→ “I saw a letter on your desk yesterday,” she said to me.

19. I asked one of the boys if there were any mistakes in his homework.

→I asked one of the boys,“Are there any mistakes in your homework?”

18. He asked me how many times I had been to my home town since 2000.

→ He asked me,“How many times have you been to your home town since 2000?”

17. She asked Xiao Wang if that kind of telephone was made in Guangzhou.

→She asked Xiao Wang,“Is this kind telephone made in Guangzhou? ”

16. He asked me what else I wanted him to do.

→He asked me,“what else do you want me to do?”

15. He asked me Why Eidson’s teacher said that he wasn’t bright and wasn’t worth teaching.

→He asked me,“Why did Eidson’s teacher said that he wasn’t bright and wasn’t worth teaching?”

14. The old worker told us not to forget the past.

→The old worker sad to us,“Don’t forget the past.”

13. A asked the teacher whether Gauss was born in 1777.

→A asked the teacher,“Was Gauss born in 1777?”

12. Mr White asked me to give his wife a message when she returned from the library.

→Mr White said to me,“Please give my wife a message when she returns from the library.”

11. He asked whether they would go with him.

→He asked,“Will you go with me?”