14. Nam asked me if my grandparents were still work in Nha Trang then. 
15. She asked me if the weather had been good in Shanghai the previous summer 
16.Nam asked Nga if her parents still took her to school every day.
17.The doctor said if i were folowing the típ to protect myself from corona viruss 
18.Ba said to his friend if they were having an English test the folowing day
19. She wanted to know what i did in my square time 
20.She asked me if i though the boys are more intelligent than girls .
EX4 :
1. The teacher said all the homework had to be done carefully 
2.Her father said to her that she could go to the movie with her friend
Chấm nha