Bài 1. Khoanh tròn vào đáp án đúng 1. ……..time is the fireworks set off? A. what B. when C. how D. where 2.. …….did you learn Japanese? Because I love Japanese culture. A. when B. why C. what D. how 3. …….did you learn Japanese? I learned from radio programs. A. when B. why C. what D. how 4. ……helped you find your keys? My friend.  A. when B. who C. which D. whose 5. ……..did you find your keys?A few minutes ago. A. when B. why C. what D. how 6. …..is the tallest person in your family? A. when B. who C. which D. whose 7. …..essay got the highest score? It’s Jim’s A. when B. who C. which D. whose 8. …..is it from your house to the festivals’venue? A. How far B. How long C. How often D. How many 9. ….people are there in your company? A. How many B. How long C. How often D. How much 10. …….is this table made of? It’s made of wood. A. how B. what C. whom D. which 11. ………have you lived here? A. How many B. How long C. How often D. How much 12. ……..do you visit your grandmother? Every weekend A. How many B. How long C. How often D. How much 13. ……..does this computer cost? A. How many B. How long C. How often D. How much 14. ……..did you begin teaching here? A. how long B. when C. where D. how much 15. …….did you use to go to school? I used to walk to school. A. how B. what C. whom D. which 16. …….does your father do? He’s an architect. A. how B. what C. whom D. which 17………don’t we go camping this weekend? A. when B. why C. what D. how 18. …….milk do you need? 2 litres A. How many B. How long C. How often D. How much 19. …..will how decorate your living room? I will decorate it with flowers. A. when B. why C. what D. how 20. ……dress do you like? I like the blue one. A. how B. what C. whom D. which Lam va gthich!