Use the necessary prepositions to complete the sentences.

1) The letters LA stand for Los Angeles which is a city in California.

2) These goods are often advertised on television.

3) The information about the Queen's visit to Europe will be broadcasted on radio and television.

4) John is a citizen of the world.

5) I've brought good news for you.

6) The famous writer gave a series of talks at our school.

7) The television adaptation of the play was very successful.

8) You can get this information in electronic form.

9) The club was formed in 1992.

10) Charlie Chaplin's films are full of humour, but his humour is often sad.