1. My friend is working for an import-export company, which is located in an industrial zone.
2. Rich comes from a country, whose history goes back thousands of years.
3. Truong gave me some suggestions, most of which sound helpful.
4. I have two sisters, one of whom is a fashion designer.
5. These people who volunteer to do charity work are very enthusiastic
6. I’m going to be interviewed for my new job, which makes me nervous.
7. Hue, which is admitted as world’s cultural heritage, is famous with many kinds of festivals.
8. These wild animals which people are working hard to save from being extinct are in danger,
9. Dr. Field, who predicted another earthquake, lectured at Browning Hall last night
10. Max, who is very intersted in flying, attends a training course to become a pilot
11. The Great Wall of China, which is one of the great wonders in the world, can be seen from the moon.
12. We visited Belgrade, which is the capital of Yugoslavia.