1. "Please call me at 6 o'clock tomorrow morning", said Mai.

=> ....Mai requested to call her at 6 o'clock the following morning

2. "Are you interested in this Language Center?" Asked Lan.

=> .... Lan asked me if I was interested in that Language Center

3. "We will spend our holiday in Da Lat next month," said Mrs Chi.

=> .... Mrs Chi said that they would spend their holiday in Da Lat the following month

4. "What does your son want to learn?" the man said to Mr Linh.

=> .... The man asked Mr Linh what his son wanted to learn

5. "You must come today," Hoa said.

=> ....Hoa said that I had to come that day