ГДЗ граматика Англійська мова 7 клас Мітчелл

Complete with the Past Simple or the Past Perfect Simple of the verbs in brackets. 

1. By the time my parents decided to go for a walk, it had started raining. 2. Had Emily heard of that app before she downloaded it? 3. When Mark arrived at work, he remembered that he had not turned off the lights in his living room. 4. I had just finished basketball practice when my cousin called me. 5. Daisy washed the frying pan after she had cooked dinner. 6. Ian had eaten his omelette before he did the washing–up.