Ответ:

1 This film was shown by them last week.

2 The flowers are being watered by the girls now.

3 This work will be finished by us tomorrow.

4 This castle was built by somebody in the 16th century.

5 The office is cleaned by Mary every morning.

6 Has this problem been solved yet?

7 Our luggage had been brought by the porter before we went into the room.

8 I was invited for the party by May last Monday.

9 A bank robber hasn't been caught the police yet.

10 The problem was being discussed all day.

Объяснение: