7) 1. Did Peter and John travel to Italy last week?
2. We did not water the flowers yesterday.
3. I visited my grandpa two days ago.
4 Fiona and Martha did not tidy their bedroom.
8) 1. was
2. was
3. wasn't
4. stayed
5. invited
6. played
7. listened
8. watched
9. did you play
9) 2. Did your parents visit their friends last weekend?
No, they didn't.
3. Did your parents travel aboard last summer?
Yes, they did.
4. Did your best friend play football last weekend?
No, they didn't.
5. Did you listen to music yesterday afternoon?
Yes, I did.