Раскройте скобки в предложениях, используя времена Past Simple или Past Perfect.

1. When I came home, mother had already cooked dinner. 2. When father returned from work, we had already done our homework. 3. Kate gave me the book which she had bought the day before. 4. When the teacher entered the classroom, the pupils had already opened their books. 5. Simon was very glad to see that his brother had done the homework. 6. Nick showed the teacher the picture which he had drawn. 7. Tom had returned from the cinema by 5 o’clock. 8. The boy gave the goats the grass which he had brought from the field.