Разговаривают племянник и дядя: — Дядя, сколько тебе лет? — Два раза по столько, сколько лет Оле. — А сколько лет Оле?

1 Kate has watered plants
2 Mum has opened  the window
3 Mary has watched the film
4 They have visited the British museum
5 Emma has washed her hair
6 They have decided where they'll spend their weekend
7 He has cooked supper
8 They have arrived in London
9 He has changed clothes
10 They have discovered a wonderful new book.

1. Kate has watered the plants.
2. Mum has opened  the window.
3. Mary has watched the film.
4. My friends have visited the British museum.
5. Emma has washed her hair.
6. The Smiths have decided where they'll spend their weekend.
7. Jake has cooked supper.
8. Mary's friends have arrived in London.
9. Peter has changed his clothes.
10. The sisters have discovered a wonderful new book.