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Так какие конкретно упражнения необходимы? 4ое и 7ое?

4) 1. Don't you? 2. Can't you? 3. Isn't it? 4. Won't you? 5. Do they? 6. Have they? 7. Shouldn't they? 8. Don't they? 7a) 1e, 2b, 3d, 4b, 5c. 7b) использую 5с. The phrase means that if you decide to do two things at the same time, neither will be done well. Российская версия: За 2-мя зайцами погонишься, ни 1-го не поймаешь. Примеры: Steph, you shouldn't agree to attend two interview in the same day, if you run after two hares, you will catch none.