2. Prince Charles is heir to the throne of England . His wife was Princess Diana.
➜ Prince Charles who is heir to the throne of England whose wife was Princess Diana.
3.Microsoft has a lot of power in the computers . That annoys some people .
➜Microsoft which annoys some people has a lot of power in the computers
4. The Euro replaced a number of national currencies . It was introduced in January 2002 .
➜The Euro who was introduced in January 2002 replaced a number of national currencies
5. Friend ran for ten year . It is on of my favorite series .
➜Friend which is on of my favorite series ran for ten year
6. Venus is a very hot place . It is much closer to the Sun than the Earth is.
➜Venus which is much closer to the Sun than the Earth, is a very hot place.
7. Cricket is popular in many countries around the world . It is played between two teams of eleven .
➜Cricket which is played between two teams of eleven is popular in many countries around the world
8. Parts of Buckingham Palace are open to the public . It is where the queen lives .
➜Parts of Buckingham Palace are open to the public where the queen lives .
9. The greyhound is the fastest dog. It can reach speeds of over 65 kilometres per hour.
➜The greyhound which can reach speeds of over 65 kilometres per hour is the fastest dog
10. 1984 was writen by George Orwell. His real name was Eric Blair.
➜ 1984 was writen by George Orwell whose real name was Eric Blair.