where, or whose.
1 Tenjoyed the film. I saw it last week.
I enjoyed the film that I saw last week.
2 This is my cousin. She lives in Crete.
3 We visited the museum. We had seen it on TV.
4 Nick followed the man. He thought he was a spy.
5 Sara phoned the policeman. His sister was her friend.
6 Chris walked to the square. He had seen a café there.
7 It was midnight. Antonio heard his mobile ring.
8 There's the code book. I've been looking for it!​

Ответ: 1) where

2)Whose

3)Where

4) Whose

5)Whose

6)Where

7)Whose

8) Whose

Я не уверена что правильно поняла задание, но надеюсь что задание заключалось именно в этом.

Объяснение: