Question

Переведите граммотно на английский Завтра с 11 до 11:30 будет проходить сбор вашей группы в лобби перед отъездом

Answer 1

Meeting of your group will be tomorrow from eleven o'clock to thirty past eleven o'clock in the lobby before leaving.

Answer 2

Tomorrow, there will be a meeting of your group in the lobby  between eleven and half past eleven o'clock prior to the departure.

Answer 3

Tomorrow from 11 to 11:30, there will be a gathering of your group in the lobby prior to departure.