1. Nam said he wanted to become a scientist when he grew up.
2. Hoa said she couldn't go to the science class the following morning .
3. She told us that they had studied that kind of plant for two months.
4. Mr.Vinh said we didn't open the laboratory that day.
5. I told Mary that she might be late for the workshop that afternoon.
6. Dr.Thomas said he didn't teach Earth Science the year before.
7. Minh said to me that we would start collecting the data the following month.
8. Jane said hẻ sister wasn't leaving for London that night.

2. “I cannot go to the Science class tomorrow morning,” said Hoa.

HOA SAID SHE COULDN'T GO TO THE SCIENCE CLASS THE FOLLOWING MORNING.

3. “They have studied this kind of plant for two months,” she told us.

SHE TOLD US THAT THEY HAD STUDIED THAT KIND OF PLANT FOR TWO MONTHS.

4. “We don’t open the laboratory today,” Mr. Vinh said.

MR. VINH SAID WE DIDN'T OPEN THE LABORATORY THAT DAY.

5. “You may be late for the workshop this afternoon,” I told Mary.

I TOLD MARY THAT SHE MIGHT BE LATE FOR THE WORKSHOP THAT AFTERNOON. 

6. “I didn’t teach Earth Science last year,” said Dr. Thomas.

DR. THOMAS TOLD THAT HE HADN'T TAUGHT EARTH SCIENCE THE PREVIOUS YEAR.

7. “We will start collecting the data next month,” Minh said to me.

MINH TOLD ME THAT WE WOULD START COLLECTING THE DATA THE FOLLOWING MONTH.

8. “My sister isn’t leaving for London tonight,” said Jane.

JANE TOLD THAT HER SISTER WASN'T LEAVING FOR LONDON THAT NIGHT.

9. “We are having a workshop on information technology this Friday,” said Mark.

MARK TOLD WE WERE HAVING A WORKSHOP ON INFORMATION TECHNOLOGY THAT FRIDAY.

10. “I didn’t attend the Science class yesterday,” said Hoa.

HOA TOLD THAT SHE HADN'T ATTENDED THE SCIENCE CLASS THE PREVIOUS DAY.

11. “You need to do the experiment again tomorrow,” the teacher said.

THE TEACHER TOLD THAT WE NEEDED TO DO THE EXPERIMENT AGAIN THE FOLLOWING DAY.

12. Phong told us that he couldn’t complete the report the following week.

'I CAN'T COMPLETE THE REPORT NEXT WEEK,' PHONG SAID TO US. 

13. Brown said that they had repaired the machine since the previous Monday.

'We REPAIRED THE MACHINE SINCE LAST MONDAY,' BROWN SAID.