Chuyển câu sang gián tiếp

----- Nội dung dịch tự động từ ảnh -----
16. "There isn't any milk in this bottle", my mother said
My mother said .......
17. "The twins can't go to school today because they're ill", Lan said
Lan said.....
18. "I grow these carrots myself", Paul said
Paul said .....
19. "I won't be home this evening because I have to work late", Mai said
Paul said.......
20. "I don't know where An is today", Viet said...
Viet said .....
21. "I'm very busy. I'll ring you tomorrow", Susan said to me a