Обидно, что мы не знаем его адреса.

Обидно, что мы не знаем его адреса. Мы могли бы сходить к нему сегодня же

Результаты (английский) 1:

It's a shame that we don't know his address. We could go to him today

Результаты (английский) 2:

It's a shame that we do not know his address. We could now go to it as

Результаты (английский) 3:

it's a shame that we don't know his address. we could go see him tonight