Ответы и объяснения

1. Veronika has watered the flowers. 
2. My dad raked leaves in the garden.
3. My mum has helped my younger sister.
4. My brother picked up toys in the room.
5. Sasha has cleaned up the house.
6. I have done the shopping for my grangma.
7. I have cleaned up the class board.
8. Alex has played the vilion for 5 years.
9. My brother has picked up litter in the schoolyard.
10. The four children stared at the sky.