посчитайте написать:67. Подчеркните правильный вариант.7. The children (have been watching / have watched) cartoons for 2 hours.8. David (has been painting / has painted) in his studio since 10 o'clock.9. William (has been working / has worked) at the music shop for 7 months.10. Mary and Sam (have collected / have been collecting) stamps 3 years.68. Поставь правильную форму.9. Helen / travel / round Europe / for 3 weeks.10. She / visit / already / 3 countries.