Перепишіть речення з активного стану в пасивний:
1. I have already taken the books back to the library. The books ...
2. She has just posted those letters. Those letters ...
3. The teachers has already checked my test. My test ...
4. He has lost the key. The key ...
5. We have opened all the windows. All the windows ...
6. I have bought bread on the way home. Bread ...
7. I have done this exercise. This exercise ...