ГДЗ граматика Англійська мова 7 клас Мітчелл

Complete with the Past Perfect Simple of the verhs in hrackets. 

1. The baby had slept for only ten minutes when the noise woke her up. 2. Max had collected all the ingredients he needed before the cooking competition. 3. We had not finished dinner by eight o'clock. 4. The students asked questions after the teacher had explained the activity. 5. Had Mr Collins prepared the snacks by the time Carol came back from school? 6. Alan had put on a little weight before he decided to change his eating habits. 7. By 2020. the athlete still hadn’t taken part in many competitions. 8. Had the boys booked a court before they went to the sports centre?