напишите во множественном числе 1. a activity – ; 2. a thief – ; 3. a party – ; 4. a echo – ; 5. a means – ; 6. a photo – ; 7. an Englishman – ; 8. а swine – ; 9. a belief – ; 10. a sheep – ; 11. a half – ; 12. a tomato – ; 13. a woman – ; 14. a safe - ; 15. kilo – ; 16. an scarf – ;17. a bench – ; 18. a celebrity – ; 19. a louse – ; 20.a bath – ;21.play– .