----- Nội dung ảnh -----
13. .................. book is this? - It's mine.
A. Which B. Who C. Whose D. How

14. .................. do you usually eat lunch? - At noon.
A. Which B. When C. What D. How

15. .................. do you wash clothes? - Every week.
A. Which B. Who C. What D. How often

16. .................. does your father work? - At City Hall.
A. Where B. Who C. What D. How

17. .................. usually gets up the earliest in your family?
A. Which B. Who C. What D. How

18. .................. do you think of this hotel? - It's pretty good.
A. Which B. Why C. What D. How

19. .................. do you work at that company? - Because it's near my house.
A. Which B. Who C. Why D. Which

20. .................. dances the best in your family?
A. Which B. Who C. What D. How

Exercise 12
Make questions for the underlined parts in the sentences.
**Đặt câu hỏi cho các gạch chân trong câu.**