7. Cong Tu Bac Lieu is very old and poor now. He used to be very rich.
□ ........Cong Tu Bac Lieu, who used to be very rich, is very old and poor now
8. He finally finished the website. The website introduces Vietnam to the world.
□......He finally finished the webside which introduces VN to the world
9.Turkey is a traditional dish of America. It's eaten on Christmas Eve.
□..Turkey which is eaten on Christmas Eve is a traditional dish of America....
10.The man is one of my best friends. He brings in a big bunch of flowers.
The man who brings in a big bunch of flowers is one of my best friends