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