7. for the picnic was prepared by Nick yesterday8. was reconstructed by a group of Japanese engineers last year9. was written by J. K. Rowling when she was six10. are grown around my school every year11. are sold at the floating market in Can Tho12. has been preserved very well13. is usually locked carefully (by us)14. is kept in the bedroom on the second floor (by us)15. were told about it by us16. in the house was questioned by the police17. was invented thousands of years ago18. is surrounded by four busy streets19. was bought two weeks ago20. is swept every morning21. was offered the opportunity to study abroad last year22. was given a lot of presents on his birthdayCâu trả lời: 7. for the picnic was prepared by Nick yesterday8. was reconstructed by a group of Japanese engineers last year9. was written by J. K. Rowling when she was six10. are grown around my school every year11. are sold at the floating market in Can Tho12. has been preserved very well13. is usually locked carefully (by us)14. is kept in the bedroom on the second floor (by us)15. were told about it by us16. in the house was questioned by the police17. was invented thousands of years ago18. is surrounded by four busy streets19. was bought two weeks ago20. is swept every morning21. was offered the opportunity to study abroad last year22. was given a lot of presents on his birthday