1. Complete the sentences with the Present Perfect of the verb in brackets.
1. My dad has never used (never/use) a computer.
2. I............(visit) a virtual chat room.
3. Karen and Mark...........(book) their tickets on the Internet.
4. I............(never/watch) a film on the computer.
5. Sharon............(never/win) a competition.
6. Mark.............(do) some research on the Net.
7. I...........(not see) a 3D film.
8. Lindsay.............(not be) to that Internet café.
2. Write the questions using the prompts. Then answer them as indicated.
1. Mark/ever/visiti/London? (TRUE)
1. Has Mark ever visited London? Yes, he has
2. Mark/ever/visit/Paris? (TRUE)
2...............................
3. Mark/ever/meet/Bill Gates? (FALSE)
3...............................
4. Mark/ever/see/the Microsoft Visitor's centre? (TRUE)
4...............................
5. Emma and Jo/ever/be/to San Francisco? (TRUE)
5...............................
6. Emma and Jo/ever/see/Sidney? (FALSE)
6..............................
7. Emma and Jo/ever/be/on the radio? (TRUE)
7..............................
8. Emma and Jo/ever/design/an Internet web site? (FALSE)
8..............................
Aiutatemi, per piacere!
Grazie in anticipo!! 
