1, Who sawm in the lake?

2, When did he leave the party?

3, Where did John go last Sunday?

4, Who do these keys belong to?

5, Which dress does your sister want?

6, How long did it take you to get to school?

7, When did she last ride a bike?

8, How much cheese did you buy?

9, What he do 2 days ago?

10, Who did you go to the cinema with?

11, How long has he studied in New Zealand?

12, Which group has the smallest population?

13, How many kilos of oranges did you buy?

14, Who did John write about?

15, Who did you meet last night?

16, Where did she leave her suitcase?

17, When did Shakespeare die?

18, Whose dictionary did you borrow?

19, How many people did Mary invite to the party?

20, What does Minh usually do after getting up?

21, Why did he fall?

22, Who has the company sent to California?

23, Which house is the most beautiful in your village?

24, Why were you tired yesterday?

25, What is the population of Kinh people?

26, Where do the other 53 ethnic minority groups mainly inhabit?

27, Among ethnic minorities, what group is the most populated?

28, Who one boasted a flourishing culture early in the history?

29, Who is the least populated group?

30, How do the Yao people feel about their elaborate costumes?