100. раскройте скобки, употребляя глаголы в past indefinite или past perfect. 1. when i (to come) home, mother already (to cook) din¬ner. 2. when father (to return) from work, we already (to do) our homework. 3. when the teacher (to enter) the classroom, the pupils already (to open) their books. 4. kate (to give) me the book which she (to buy) the day before. 5. nick (to show) the teacher the picture which he (to draw). 6. the boy (to give) the goats the grass which he (to bring) from the field. 7. mother (to see) that nick (not to wash) his hands. 8. the teacher (to understand) that lena (not to do) her home¬work. 9. i (to know) that my friend (not yet to come). 10. tom (to return) from the cinema at 5 o'clock. 11. tom (to return) from the cinema by 5 o'clock. 12.1 (to finish) my homework at 7 o'clock.