3. Complete the sentences with the correct passive form of the verbs in brackets.

1. This skirt is made from silk. 2. A lot of dogs are abandoned in the streets by their owners. 3. This book will be returned to the library next week. 4. When was the Eiffel Tower built? 5. The building was finished last month. 6. Photography is not allowed in the museum. 7. The Leaning Tower of Pisa is covered in marble.