1)Dave is Sally's ответ.

2)Sally is Dave's ответ.

3)Alex is Dave's ответ.

4)Kate is Sally's ответ.

5)Kate is Alex's ответ.

6)Alex is Kate's ответ.

1) there is a big window in my bedroom.

2)there are no pantries in our house.

3)he shares a room with his friends.

4)is a hall there in his flat?

не гарантирую ! 5 не знаю вроде начинается have you got

1. i exercise regularly in summer but more to do in winter. 2. she usually walks slowly but now she is walking even   faster . 3. nina speaks loudly but mary speaks even   louder . 4. he runs fast, than other boys. 5. i don’t sleep enough, less   than 8 hours. 6. he behaves badly, than other boys. 7. i smile often, more than my sister. 8. peter lives far from school, but ann lives closer .

я думаю, что  4 и в 6 предложениях ничего изменять не надо. может я ошибаюсь.

monster's name is charlie.he looks like a small fluffy ball.he lives under the bed.he eats dust and sunlight.he is just unusual.he is friendly.