1. (you / eat / dinner) - (Yes)
Have you eaten dinner yet?
Yes, I have already eaten dinner.
2. (they / do / their homework) - (No)
Have they done their homework yet?
No, they haven't done their homework yet.
3. (Tom / write / the letter) - (Yes)
...
4. (Sophia / watch / the news) - (No)
...
5. (Mum / clean / the house) - (No)
...
6. (they / do / the shopping) - (Yes)
...
7. (you / wash / the clothes) - (Yes)
...
8. (Bob / go / to bed) - (No)
...

3. Has Tom written the letter yet?Yes, he has already written the letter.4. Has Sophia watched the news yet?No, she hasn`t watched the news yet.5. Has Mum cleaned the house yet? No, she hasn`t cleaned the house yet.6. Have they done the shopping yet?Yes, they have already done the shopping.7. Have you washed the clothes yet?Yes, I have already washed the clothes.8. Has Bob gone to bed yet?No, he hasn`t gone to bed yet.