1)to join the competition
2)to join the team
3)sporting event
4)to scream from the pain
5)smile someone
6)the longer you run track
7)to finish playing football
8)national Park
9)climate change
10)environmental problems
1.is making
2.isn't doing
3.aren't standing
4.is cleaning
5.is taking
1.went 2.wrote, didn't send 3.went 4.answered 5. answered 6.told 7. Read 8.sold 9. sold 10. Didn't see, was 11.did, copied 12Went 13.didnt' smoke 14. Did Arrive, arrived 15.switched off 16.read, liked 17. Didn't finish 18.told 19. Did 20. Didn't meet 21. Leave, got 22.found 23. didn't have
1) Your
2)Your ; Hers
3) Ours
4) That’s Her
5) Our ; My
6) Your
7) Their
8) their
9) Her
10) my
надеюсь правильно)