5. What did Nam's mother teach at the high school?
6. Why did he go to the doctor?
7. How did your family travel to Nha Trang?
8. Who bought some gifts?
9. How often does Nga brush her teeth?
10. Who did play tennis with Vy last Saturday?
11. What are the students practicing their English at the moment?
12. Who did you send these letters to?
13. When did Vinh's family move to Ho Chi Minh City?
14. Why did Ms. Mai not go to the party last night?
15. Who did buy the material and make the dress for Hoa?
16. What color was his old car?
17. What did my sister feel after eating that food?
18. Did you stay up late last night?
19. Do you know how to take care of yourself now?
