Bài này mình chưa gặp bh, nên cũng có mấy câu hơi phân vân á
1. When was the telephone invented?
2. How is the glass made?
3. When was America discovered?
4. What is silver used for?
5. When was television invented?
6. When was Long borne?
7. What are these chairs made from?
8. What material are their coats made from?
9. Where was that car made?
10. Where was his new jeans bought?
