Помогите пожалуйста)
1. He realized that they (lost / had lost) their way.
2. He says he (has / had) agood camera now.
3. Ann said that she (is going / was going) to learn to drive.
4. He explained that he (stayed / had stayed) at home the day before.
5. My friend says he (has just returned / had just returned) from London.