Write wh-question to each of the folowing sentences.
1. At  first the Internet was mainly used by scientists.
2. You don't  need  a CD to send email.
3. They've already got a website.
4. That isn't a computer virus.
5. Bob likes sending emails ti his friends.
6. I can pay for my ticket through the net.
7. Surfing the net for information is so exciting.
8. She won't download all those documents.