11. "If you want to learn English, I can help you," John said.
- John said he could help me if I wanted to learn English.
12. "Where are you studying?" Mr. Bruce asked.
- Mr. Bruce asked me where I was studying.
13. "Please call me at 6 o'clock tomorrow morning," said Mai.
- Mai asked me to call her at 6 o'clock the next morning.
14. "Are you interested in this Language Center?" asked Lan.
- Lan asked me if I was interested in that Language Center.
15. "We will spend our holiday in Da Lat next month," said Mrs. Chi.
- Mrs. Chi said that we would spend our holiday in Da Lat the next month.
16. "Do you live here?" Liz asked.
- Liz asked me if I lived there.
17. "What does your son want to learn?" the man said to Mr. Linh
- The man asked Mr.Linh what his son wanted to learn.
18. "You must come today," Hoa said.
- Hoa told me that I had to come that day.
19. "I don't understand what you are saying," Tom told us.
- Tom told us he didn't understand what we were saying.
20. "There isn't any information about these colleges," Nam said.
- Nam said there wasn't any information about those colleges.