1,Al Gore, who won the Nobel Prize gave a long and boring speech.
2, câu này tui cx ko bik ạ =(((
3, Social network sites, which are very popular, will definitely change business.
4, Scientists are working with stem cells which will revolutionize medicine.
5, Last week, Jim Talor interviewed Sally Thomson who is my neighbour.
6, Mr.Brown, who enjoys going to the theatre, has been invited to join our club.
7, Whiting house, which was built in 1856, is an important local monument.
8, câu này tui ko bik ạ =(((
9, John F.Kennedy, who was president of the USA, was assassinated in 1963.
10, The Queen will open a new hospital which is in Jarvis Street.