Question

Здравствуйте, у меня такое задание. Кому не сложно, постарайтесь решить. И если можно, правильно. Начинается с 6, на это не обращайте внимания. Choose the correct answer. Раскройте скобки, выбрав нужное. 6. They did not understand (each other/ one another) 7. Did you enjoy (to travel/ travel/ travelling) 8. Would you mind (closing/ to close/ close) the window 9. Can I (speak/ speaking/ to speak) to Paul 10. Classmates helped (each other/ one another) in that difficult situation