Выберите правильный ответ: 1. they didnt understand (each other/one another) 2. did you enjoy (to travel/thavelling)? 3. would you mind (closing/ to close/ close) the window? 4.can i (speak/ speaking/ to speak) to paul? 5. classmates helped (each other/one another) in that difficult situation.
2. traveling
3. closing
4. speak
5. each other