Complete the sentences with words formed from the words in capitals.

1. We are pleased to announce our ___________ with a group of scientists at Harvard University. COLLABORATE
2. His ___________ useful to the rest of the group. DEPENDENT
3. We hope this study will ___________ new information about the brain. COVER
4. Our research provides many clues as to how this rare ___________ research proved very develops. ILL
5. Now we have the results of the study, it's time to ___________ our original hypothesis. VISIT​