Odpowiedź:
1. Have you seen
2. haven't
3. has broken
4. has your dad looked
5. has
6. hasn't found
7. Have you taken
8. have
9. has sent
10. I haven't done
---------------------------------
1. Have they installed a new app?
Yes, they have.
2. Has my brother downloaded three videos?
Yes, he has.
3. Have my cousins and I done any searches for our homework?
No, we haven't
4. Have I logged on to my computer?
Yes, I have.
5. Has Stella deleted this email?
No, she hasn't
