Complete the sentences in Past Perfect Simple (positive).

Решение:

1. I lost the key that he had given to me.
2. She told me that she had seen a ghost.
3. I went downstairs because I had heard a noise.
4. When they came home, Sue had cooked dinner already.
5. We could not send you a postcard because we had forgotten our address book.

Ответ: had given; had seen; had heard; had cooked; had forgotten.