I saw Bob and Sam at the party, but I ............................................ (not/speak) to them.

Решение:

Используем Past Simple для действия, которое не произошло в прошлом. Отрицательная форма — 'did not' + инфинитив без 'to'.

1. I saw Bob and Sam at the party, but I did not speak to them.

Ответ: did not speak