Chia dạng đúng của từ trong ngoặc

1. They (read)........... detective stories several times.
2. The best way to (preservation).............. our cultural heritage is to share it with others.
3. It's our duty to keep our customs and traditions alive for future ...........(generate).
4. We'd like to make a small (contribute)................ to the fund for preserving our heritage sites.
5. (Basic)............,they want more information before they put money into the project to restore the temple.
6. We are fortunate to live in a (democracy)................. nation where everyone's rights are protected.
7. We wish we (have)............. more time to research changes in our village.
8. .................. you (ever/make) ........................... a handicraft item?
9. I wish I (can visit)...................... Angkor Wat in Cambodia.