Помогите пожалуйста сделать:Употребите правильную форму глагола в скобках (past

Помогите пожалуйста сделать:
Употребите правильную форму глагола в скобках (past perfect).
Had +V

1. She was sorry for the things that she (do).
2. He was afraid that she already (learn) the truth.
3. Mary looked at the clock and realized that it (stop).
4. That night she was very beautiful. She never (be) so lovely before.
5. My friend complained that she (spend) all her money.
6. Nobody could explain what really (happen).
7. When he went out of the office, he saw that his car (disappear).