Hello oto kilka zadanek. Nie wiem czy poprawnie. Poprawi ktoś?
I: Write the word from the list into the gaps:
Accurate,

collaborate, feature, investigate, launch, log in, participant, potential
1. The police said they would thoroughly ...investigate.... the robbery to learn who did it.
2. Our friends will all participant ...feature... on making a poster for the festival.
3. In order to buy the ....acurrate.... size curtains, we need exact measurements for the windows.
4. You can .....log in...... your username and password to the site and you will receive weekly updates and newsletters.
5. My cat's most unusual .................is his very long, fluffy tail.
6. Pete was a....participant....... in last night's rock concert. He sang two songs.
7. Jason is a good soccer player now, but he has the .....potential...... to become a champion in a few years.
8. My friends are going to ......launch........a new technology business that helps people stay healthy
III/ Complete the sentences using the present perfect tense of the words in parentheses.
1. The Tribewanted.com website .....has brought........... (bring) together people from many different cultures.
2. Nobel Prize winner Bob Dylan  ........has been....... (be) a musician since the 1950s.
3. GlobalXplorer volunteers .......have looked........ (look) at thousands of satellite images.
4. The advertisement says the company .......has sold......... (sell) the same candy for 30 years

IV/ Put the verbs into the right form – Present Perfect or Past Simple
1That tribe .......have lived.....(live) here for 1,500 years.
2.Sam ........has studied...... study) English since he was eleven.
3. Jeff .....given.......(give) 200 hours of volunteer work in the last two years.
4.We ....have......(have) high speed Internet access for five years.
5. Global warming ......stared........(start) in the 20th century.