14. doing → done 

15. The baby asked how many kinds of birds there were.

16. The teacher said that my English is getting better then.

17. Nam said that he wanted to become a scientist when he grew up.

18. Peter said that they had met Professor Stephen Marshall the day before.

19. Hoa said that she couldn't go to the science class the next morning.

20. She told us that they had studied that kind of plant for two months.

21. Mr Vinh said that they didn't open the laboratory that day.

22. Nick said that he was finding evidence for his research then.

23. I told Mary that she might be late for the workshop that afternoon.

24. Dr. Thomas said that he hadn't taught Earth Science the year before.

25. Minh said. to me that they would start collecting the data the next month.

26. Jane said that her sister wasn't leaving for London that night.

- $Answered_{}$ $by_{}$ $thieukhue_{}$ -

14)Lisa asked me what i wan doing the night before

15)The bay asked how many kinds of birds there were 

16)The teacher said that my English was getting better then

17) Nam said that he wanted to become a scientist when he grew up

18)Peter said they had met Professor Stephen Marshall the day before 

19)Hoa said she could not go the science class the following morning

20)She told us thay had studied that kind of plant for two months

21)Mr.Vinh said that they didn't open the laboratory that day

22)Nick said that he was finding envidence for his reseach then

23)I told Mary that she might be late for the workshop that afternoon

24) Dr. Thomas said that he hadn't taught Earth science the year before 

25)Minh said to me they would start collecting the data the following month 

26)Jane said that her/his Sister wasn't leaving for London that night