Answer
Объяснение:
1. We have created a webpage for our school.
2. I have not posted any messages this week.
3. She has not looked at my blog.
4. My friend has changed his email address.
5. I have not chatted a lot today.
6. We have not downloaded that programme.
7. The internet has changed the way we communicate.
8. I have visited a lot of music websites.
