1.When did you see her?
2.What did her neighbor give her?
3.When did they return to America?
4.Who bought a poster?
5.Where was your father last month?
6.How did he travel to Nha Trang?
7.Why did she go to the doctor?
8.What time did Nam leave home yesterday?
9.What did they do last week?
10.When did you decorate your classroom?
11.What did Hoa try on?
12.Who did he talk to about the film on TV?