Привет!) :) Вот мой ответ:
1. 1-b b- He's washed it.
2-c c-She's bought her a present.
3-a a- I've really enjoyed the party.
4-d d-They've walked to town.
5-e e-We've played in the garden all morning.
2. 1) She's dropped a phone(for exemple)
2) They've finished their schools.
3) We've phoned our friends.
4) You've washed your face.
5) He has listened to music.
3. 1)send-sent has/have sent.
2) fly-flew has/have flown.
3)go-went has/have gone.
4)eat-ate has/have eaten.
5)sleep-slept has/have slept.
4. 1) Have you ever seen... No, i haven't
2)Has he ever slept... Yes, he has
3) Have they ever gone... Yes they have.
4) Has she ever eaten... No, she hasn't.
5)Have they ever flown... No, they haven't
Объяснение: Has мы ставим когда he, she, it. Have когда they, we, i